Taxon Search
  Plantae
    Tracheophyta
           [Tracheobionta]
    Spermatophyta
      Magnoliophyta
             [Angiospermae]
         Eudicots
             Core Eudicots
               Asterids
               Lamiids
                    Gentianales
                            Apocynaceae
                                   [Asclepiadaceae]
                                    Acerates
                                            Acerates angustifolia
                                            Acerates cordifolia
                                            Acerates hirtella
                                            Acerates latifolia
                                            Acerates monocephala
                                            Acerates pringlei
                                            Acerates rusbyi
                                            Acerates tomentosa
                                    Acokanthera
                                            Acokanthera laevigata
                                            Acokanthera lycioides
                                            Acokanthera oblongifolia
                                                   [Acokanthera spectabilis]
                                                   [Carissa oblongifolia]
                                                   [Carissa spectabilis]
                                                   [Strychnos oblongifolia]
                                                   [Toxicophlaea spectabilis]
                                            Acokanthera oppositifolia
                                                   [Acokanthera lamarkii]
                                                   [Acokanthera longiflora]
                                                   [Acokanthera rhodesica]
                                                   [Carissa acokanthera]
                                                   [Carissa longiflora]
                                                   [Carissa oppositifolia]
                                                   [Garcinia sciura]
                                            Acokanthera rotundata
                                                   [Acokanthera schimperi var. rotundata]
                                            Acokanthera schimperi
                                                   [Acokanthera abyssinica]
                                                   [Acokanthera deflersii]
                                                   [Acokanthera friesiorum]
                                                   [Acokanthera ouabaio]
                                                   [Carissa deflersii]
                                                   [Carissa friesiorum]
                                                   [Carissa schimperi]
                                                   [Strychnos abyssinica]
                                            Acokanthera venenata
                                    Adenium
                                            Adenium multiflorum
                                                   [Adenium obesum subsp. multiflorum]
                                                   [Adenium obesum var. multiflorum]
                                            Adenium obesum
                                                   [Adenium arboreum]
                                                   [Adenium honghel]
                                                   [Adenium obesum subsp. socotranum]
                                                   [Adenium obesum subsp. somalense]
                                                   [Adenium socotranum]
                                                   [Adenium somalense var. caudatipetalum]
                                                   [Adenium somalense var. crispum]
                                                   [Adenium somalense]
                                                   [Adenium speciosum]
                                                   [Adenium tricholepis]
                                                   [Nerium obesum]
                                              Adenium obesum subsp. boehmianum
                                                     [Adenium boehmianum]
                                              Adenium obesum subsp. obesum
                                                     [Adenium arabicum]
                                                     [Adenium coetaneum]
                                            Adenium swazicum
                                                   [Adenium boehmianum var. swazicum]
                                                   [Adenium obesum subsp. swazicum]
                                    Aechmolepis
                                    Aganonerion
                                    Aganosma
                                            Aganosma acuminata
                                            Aganosma cymosa
                                              Aganosma cymosa var. cymosa
                                              Aganosma cymosa var. elegans
                                                     [Aganosma elegans]
                                            Aganosma gracilis
                                            Aganosma schlechteriana
                                    Ahouai
                                            Ahouai nitida
                                    Aidomene
                                    Aladenia
                                    Alafia
                                            Alafia barteri
                                                   [Alafia giraudii]
                                                   [Alafia giraultii]
                                            Alafia benthamii
                                              Alafia benthamii var. benthamii
                                                     [Ectinocladus benthamii]
                                              Alafia benthamii var. mediafra
                                            Alafia caudata
                                              Alafia caudata subsp. caudata
                                                     [Alafia butayei]
                                                     [Alafia sarmentosa]
                                              Alafia caudata subsp. latiloba
                                            Alafia congolana
                                            Alafia conica
                                            Alafia erythrophthalma
                                                   [Alafia gracilis]
                                                   [Alafia grandis]
                                                   [Tabernaemontana erythrophthalma]
                                            Alafia falcata
                                            Alafia glabriflora
                                            Alafia lucida
                                                   [Alafia cuneata]
                                                   [Alafia laxiflora]
                                                   [Alafia major]
                                                   [Alafia reticulata]
                                                   [Wrightia stuhlmannii]
                                            Alafia microstylis
                                                   [Alafia clusioides]
                                                   [Alafia swynnertonii]
                                            Alafia multiflora
                                                   [Alafia malouetioides]
                                                   [Holalafia densiflora]
                                                   [Holalafia multiflora]
                                            Alafia orientalis
                                            Alafia parciflora
                                            Alafia scandens
                                                   [Alafia landolphioides]
                                                   [Holarrhena landolphioides]
                                                   [Nerium scandens]
                                            Alafia schumannii
                                                   [Alafia bequaertii]
                                                   [Holalafia schumannii]
                                            Alafia thouarsii
                                            Alafia ugandensis
                                            Alafia verschuerenii
                                                   [Alafia klaineana]
                                            Alafia whytei
                                                   [Vilbouchevitchia atro-purpurea]
                                            Alafia zambesiaca
                                    Alexia
                                    Allamanda
                                            Allamanda angustifolia
                                            Allamanda blanchetii
                                                   [Allamanda violacea]
                                            Allamanda calcicola
                                            Allamanda cathartica
                                                   [Allamanda cathartica var. grandiflora]
                                                   [Allamanda cathartica var. hendersonii]
                                                   [Allamanda cathartica var. williamsii]
                                            Allamanda doniana
                                            Allamanda hendersonii
                                            Allamanda martii
                                            Allamanda neriifolia
                                            Allamanda nobilis
                                            Allamanda oenotherifolia
                                            Allamanda polyantha
                                            Allamanda puberula
                                            Allamanda schottii
                                                   [Allamanda cathartica var. schottii]
                                            Allamanda weberbaueri
                                    Allomarkgrafia
                                            Allomarkgrafia brenesiana
                                            Allomarkgrafia campanulata
                                            Allomarkgrafia ovalis
                                            Allomarkgrafia plumeriiflora
                                                   [Allomarkgrafia subtubulosa]
                                            Allomarkgrafia tubiflora
                                    Allotoonia
                                            Allotoonia agglutinata
                                                   [Echites agglutinatus]
                                    Alstonia
                                            Alstonia actinophylla
                                                   [Alstonia verticillosa]
                                            Alstonia angustifolia
                                            Alstonia angustiloba
                                            Alstonia boonei
                                            Alstonia congensis
                                                   [Alstonia congensis var. glabrata]
                                                   [Alstonia gilletii var. laurentii]
                                                   [Alstonia gilletii]
                                                   [Alstonia pedicellata]
                                                   [Pala scholaris]
                                            Alstonia constricta
                                            Alstonia costata
                                                   [Alstonia elliptica]
                                                   [Alstonia fragrans]
                                                   [Alstonia plumosa]
                                                   [Alstonia reineckeana]
                                                   [Alstonia vitiensis]
                                            Alstonia deplanchei
                                            Alstonia iwahigensis
                                            Alstonia lanceolata
                                            Alstonia lenormandii
                                            Alstonia longifolia
                                            Alstonia macrophylla
                                                   [Alstonia glabriflora]
                                                   [Alstonia subsessilis]
                                            Alstonia muelleriana
                                            Alstonia neriifolia
                                            Alstonia parvifolia
                                            Alstonia rostrata
                                                   [Alstonia glaucescens]
                                            Alstonia scholaris
                                                   [Echites scholaris]
                                            Alstonia spatulata
                                            Alstonia spectabilis
                                              Alstonia spectabilis subsp. ophioxyloides
                                                     [Alstonia ophioxyloides]
                                            Alstonia venenata
                                            Alstonia villosa
                                    Alyxia
                                            Alyxia acuminata
                                                   [Alyxia maluensis]
                                            Alyxia angustifolia
                                            Alyxia annamensis
                                            Alyxia bracteolosa
                                                   [Alyxia erythrosperma var. samoensis]
                                              Alyxia bracteolosa var. angustifolia
                                            Alyxia buxifolia
                                            Alyxia concatenata
                                                   [Alyxia monilifera]
                                                   [Alyxia quadrata]
                                                   [Paralstonia clusiacea]
                                            Alyxia erythrosperma
                                            Alyxia fascicularis
                                            Alyxia gracilis
                                                   [Hunteria gracilis]
                                            Alyxia gynopogon
                                            Alyxia hainanensis
                                            Alyxia ilicifolia
                                              Alyxia ilicifolia subsp. magnifolia
                                                     [Alyxia magnifolia]
                                            Alyxia insularis
                                            Alyxia loeseneriana
                                            Alyxia marginata
                                            Alyxia markgrafii
                                            Alyxia monticola
                                                   [Alyxia sibuyanensis]
                                            Alyxia oleifolia
                                            Alyxia oliviformis
                                              Alyxia oliviformis var. lanceolata
                                              Alyxia oliviformis var. myrtillifolia
                                              Alyxia oliviformis var. oliviformis
                                              Alyxia oliviformis var. ovata
                                            Alyxia orophila
                                            Alyxia pilosa
                                            Alyxia racemosa
                                            Alyxia reinwardtii
                                                   [Alyxia odorata]
                                                   [Alyxia pisiformis]
                                            Alyxia ridleyana
                                                   [Alyxia fragrans]
                                            Alyxia rostrata
                                            Alyxia ruscifolia
                                            Alyxia sinensis
                                                   [Alyxia levinei]
                                            Alyxia sleumeri
                                            Alyxia spicata
                                            Alyxia stellata
                                                   [Alyxia linearifolia]
                                                   [Alyxia scandens]
                                                   [Alyxia stellata var. deckeri]
                                            Alyxia torresiana
                                    Amalocalyx
                                            Amalocalyx microlobus
                                                   [Amalocalyx yunnanensis]
                                    Ambelania
                                            Ambelania acida
                                            Ambelania duckei
                                            Ambelania occidentalis
                                    Amblyanthera
                                    Amblystigma
                                            Amblystigma cionophorum
                                    Ammocallis
                                    Ampelamus
                                    Amphineurion
                                            Amphineurion marginatum
                                                   [Aganosma marginata]
                                                   [Aganosma velutina]
                                                   [Echites apoxys]
                                                   [Holarrhena procumbens]
                                    Amphistelma
                                            Amphistelma scoparia
                                    Amphorella
                                            Amphorella castanea
                                    Amsonia
                                            Amsonia angustifolia
                                            Amsonia arizonica
                                            Amsonia ciliata
                                              Amsonia ciliata var. ciliata
                                              Amsonia ciliata var. ciliolata
                                              Amsonia ciliata var. filifolia
                                              Amsonia ciliata var. tenuifolia
                                              Amsonia ciliata var. texana
                                                     [Amsonia angustifolia var. texana]
                                                     [Amsonia texana]
                                            Amsonia elliptica
                                            Amsonia fugatei
                                            Amsonia grandiflora
                                            Amsonia hubrichtii
                                            Amsonia illustris
                                            Amsonia jonesii
                                            Amsonia kearneyana
                                            Amsonia latifolia
                                            Amsonia longiflora
                                              Amsonia longiflora var. longiflora
                                              Amsonia longiflora var. salpignantha
                                              Amsonia longiflora var. salpignatha
                                            Amsonia ludoviciana
                                            Amsonia orientalis
                                                   [Rhazya orientalis]
                                            Amsonia palmeri
                                                   [Amsonia biformis]
                                                   [Amsonia hirtella var. hirtella]
                                                   [Amsonia hirtella var. pogonosepala]
                                                   [Amsonia hirtella]
                                                   [Amsonia pogonosepala]
                                                   [Amsonia standleyi]
                                            Amsonia peeblesii
                                            Amsonia repens
                                            Amsonia rigida
                                            Amsonia salicifolia
                                            Amsonia salpignantha
                                            Amsonia tabernaemontana
                                                   [Amsonia salicifolia var. ciliolata]
                                              Amsonia tabernaemontana tabernaemontana
                                              Amsonia tabernaemontana var. gattingeri
                                              Amsonia tabernaemontana var. illustris
                                              Amsonia tabernaemontana var. repens
                                              Amsonia tabernaemontana var. salicifolia
                                              Amsonia tabernaemontana var. tabernaemontana
                                                     [Amsonia amsonia]
                                                     [Amsonia glaberrima]
                                            Amsonia tharpii
                                            Amsonia tomentosa
                                              Amsonia tomentosa var. stenophylla
                                                     [Amsonia arenaria]
                                                     [Amsonia eastwoodiana]
                                              Amsonia tomentosa var. tomentosa
                                                     [Amsonia brevifolia var. brevifolia]
                                                     [Amsonia brevifolia var. tomentosa]
                                                     [Amsonia brevifolia]
                                    Anacampta
                                            Anacampta riedelii
                                    Anantherix
                                            Anantherix connivens
                                            Anantherix viridis
                                    Anartia
                                            Anartia attenuata
                                    Ancylobothrys
                                            Ancylobothrys amoena
                                                   [Landolphia amena]
                                                   [Landolphia amoena var. micrantha]
                                                   [Landolphia amoena var. schweinfurthiana]
                                                   [Landolphia amoena]
                                                   [Landolphia ferruginea]
                                                   [Landolphia nitida]
                                                   [Landolphia petersiana var. rufa]
                                                   [Landolphia petersiana var. schweinfurthiana]
                                                   [Landolphia scandens var. ferruginea]
                                                   [Landolphia scandens var. rigida]
                                                   [Landolphia scandens var. schweinfurthiana]
                                                   [Pacouria amoena]
                                                   [Pacouria petersiana var. schweinfurthiana]
                                            Ancylobothrys petersiana
                                                   [Ancylobothrys petersiana var. forbesiana]
                                                   [Ancylobothrys rotundifolia]
                                                   [Landolphia angustifolia]
                                                   [Landolphia monteiroi]
                                                   [Landolphia petersiana var. angustifolia]
                                                   [Landolphia petersiana var. rotundifolia]
                                                   [Landolphia petersiana var. tubeufii]
                                                   [Landolphia scandens var. angustifolia]
                                                   [Landolphia scandens var. petersiana]
                                                   [Landolphia scandens var. rotundifolia]
                                                   [Landolphia scandens var. stuhlmanniana]
                                                   [Landolphia scandens var. tubeufii]
                                                   [Landolphia senensis]
                                                   [Pacouria angustifolia]
                                                   [Pacouria petersiana]
                                                   [Willughbeia petersiana]
                                                   [Willughbeia senensis]
                                            Ancylobothrys pyriformis
                                                   [Ancylobothrys gabonensis]
                                                   [Ancylobothrys robusta]
                                                   [Ancylobothrys trichantha]
                                                   [Aphanostylis robusta]
                                                   [Landolphia pyriformis]
                                                   [Landolphia robusta]
                                                   [Pacouria pyriformis]
                                                   [Pacouria robusta]
                                            Ancylobothrys scandens
                                                   [Ancylobothrys brevituba]
                                                   [Ancylobothrys mammosa var. crassifolia]
                                                   [Ancylobothrys mammosa var. mucronata]
                                                   [Ancylobothrys mammosa]
                                                   [Ancylobothrys welwitschii]
                                                   [Aphanostylis mammosa var. mucronata]
                                                   [Aphanostylis mammosa]
                                                   [Landolphia echinata]
                                                   [Landolphia petersiana var. acuminata]
                                                   [Landolphia petersiana var. crassifolia]
                                                   [Landolphia petersiana var. mucronata]
                                                   [Landolphia scandens var. coriacea]
                                                   [Landolphia scandens var. floribunda]
                                                   [Landolphia scandens var. genuina]
                                                   [Landolphia scandens]
                                                   [Landolphia welwitschii]
                                                   [Pacouria crassifolia]
                                                   [Pacouria echinata]
                                                   [Pacouria scandens var. floribunda]
                                                   [Pacouria scandens]
                                                   [Strychnos guineensis]
                                                   [Strychnos scandens]
                                            Ancylobothrys tayloris
                                                   [Landolphia pachyphylla]
                                                   [Landolphia tayloris]
                                    Anechites
                                            Anechites nerium
                                                   [Anechites asperuginis]
                                                   [Echites asperuginis]
                                    Anemotrochus
                                            Anemotrochus eggersii
                                                   [Cynanchum eggersii]
                                                   [Metastelma eggersii]
                                            Anemotrochus viridivenius
                                                   [Matelea viridivenia]
                                    Angadenia
                                            Angadenia berteroi
                                                   [Angadenia cubensis]
                                                   [Echites cubensis]
                                                   [Rhabdadenia berteroi]
                                                   [Rhabdadenia cubensis]
                                            Angadenia lindeniana
                                                   [Rhabdadenia lindeniana]
                                            Angadenia sagrae
                                            Angadenia sagraei
                                    Angolluma
                                            Angolluma kulalensis
                                    Anisolobus
                                    Anisopus
                                            Anisopus efulensis
                                                   [Marsdenia efulensis]
                                            Anisopus mannii
                                                   [Anisopus batesii]
                                                   [Anisopus bicoronatus]
                                                   [Anisopus rostriferus]
                                                   [Marsdenia batesii]
                                                   [Marsdenia bicoronata]
                                                   [Marsdenia rhynchogyna]
                                                   [Marsdenia rostrifera]
                                    Anisotoma
                                            Anisotoma cordifolia
                                                   [Cynanchum molle]
                                                   [Cynoctonum molle]
                                    Anodendron
                                            Anodendron affine
                                            Anodendron affinis
                                                   [Anodendron laeve]
                                            Anodendron axillare
                                            Anodendron benthamianum
                                                   [Formosia benthamiana]
                                            Anodendron borneense
                                            Anodendron nervosum
                                            Anodendron oblongifolium
                                            Anodendron paniculatum
                                                   [Echites parviflorus]
                                            Anodendron parviflorum
                                                   [Anodendron manubriatum]
                                            Anodendron punctatum
                                    Anomalluma
                                    Anthoclitandra
                                    Antitoxicum
                                    Antura
                                    Aphanostylis
                              Apocynoideae
                                    Asketanthera
                                            Asketanthera calycosa
                                            Asketanthera dolichopetala
                                            Asketanthera ekmaniana
                                            Asketanthera picardae
                                    Bousigonia
                                            Bousigonia mekongensis
                                    Papuechites
                                            Papuechites aambe
                                    Sindechites
                                    Stipecoma
                                            Stipecoma peltigera
                                    Streptoechites
                                            Streptoechites chinensis
                                                   [Sindechites chinensis]
                                    Apocynum
                                            Apocynum androsaemifolium
                                                   [Apocynum ambigens]
                                                   [Apocynum androsaemifolium var. glabrum]
                                                   [Apocynum androsaemifolium var. griseum]
                                                   [Apocynum androsaemifolium var. incanum]
                                                   [Apocynum androsaemifolium var. intermedium]
                                                   [Apocynum androsaemifolium var. pumilum]
                                                   [Apocynum androsaemifolium var. tomentellum]
                                                   [Apocynum androsaemifolium var. woodsonii]
                                                   [Apocynum macranthum]
                                                   [Apocynum pumilum var. pumilum]
                                                   [Apocynum pumilum var. rhomboideum]
                                                   [Apocynum pumilum]
                                                   [Apocynum scopulorum]
                                              Apocynum androsaemifolium androsaemifolium
                                              Apocynum androsaemifolium subsp. androsaemifolium
                                                     [Apocynum androsaemifolium var. pubescens]
                                              Apocynum androsaemifolium subsp. pumilum
                                                     [Apocynum molle]
                                                     [Apocynum pumilum var. typicum]
                                              Apocynum androsaemifolium var. androsaemifolium
                                            Apocynum angustifolium
                                            Apocynum bicolor
                                            Apocynum calophyllum
                                            Apocynum cannabinum
                                                   [Apocynum album var. hypericifolium]
                                                   [Apocynum album]
                                                   [Apocynum cannabinum var. angustifolium]
                                                   [Apocynum cannabinum var. cannabinum]
                                                   [Apocynum cannabinum var. glaberrimum]
                                                   [Apocynum cannabinum var. greeneanum]
                                                   [Apocynum cannabinum var. hypericifolium]
                                                   [Apocynum cannabinum var. lanceolatum]
                                                   [Apocynum cannabinum var. nemorale]
                                                   [Apocynum cannabinum var. pubescens]
                                                   [Apocynum cannabinum var. suksdorfii]
                                                   [Apocynum cordigerum]
                                                   [Apocynum dictyotum]
                                                   [Apocynum estellinum]
                                                   [Apocynum hypericifolium var. farwellii]
                                                   [Apocynum hypericifolium var. salignum]
                                                   [Apocynum hypericifolium]
                                                   [Apocynum longifolium]
                                                   [Apocynum oblongum]
                                                   [Apocynum pubescens]
                                                   [Apocynum sibiricum f. arenarium]
                                                   [Apocynum sibiricum sibiricum]
                                                   [Apocynum sibiricum var. cordigerum]
                                                   [Apocynum sibiricum var. farwellii]
                                                   [Apocynum sibiricum var. salignum]
                                                   [Apocynum sibiricum var. sibiricum]
                                                   [Apocynum sibiricum]
                                                   [Apocynum suksdorfii var. angustifolium]
                                                   [Apocynum suksdorfii]
                                                   [Apocynum suskdorfii]
                                            Apocynum cardiophyllum
                                            Apocynum cervinum
                                            Apocynum detonsum
                                            Apocynum frutescens
                                            Apocynum laurinum
                                            Apocynum lividum
                                              Apocynum lividum var. convallarium
                                                     [Apocynum convallarium]
                                            Apocynum myrianthum
                                            Apocynum nevadense
                                            Apocynum oliganthum
                                            Apocynum palustre
                                            Apocynum urceolifer
                                            Apocynum venetum
                                            Apocynum viarum
                                            Apocynum viride
                                            Apocynum × floribundum
                                                   [Apocynum floribundum]
                                                   [Apocynum jonesii]
                                                   [Apocynum medium var. floribundum]
                                                   [Apocynum medium var. leuconeuron]
                                                   [Apocynum medium var. lividum]
                                                   [Apocynum medium var. medium]
                                                   [Apocynum medium var. sarniense]
                                                   [Apocynum medium var. vestitum]
                                                   [Apocynum medium]
                                                   [Apocynum milleri]
                                                   [Apocynum x floribundum]
                                            Apocynum ×floribundum
                                                   [Apocynum ×leuconeuron]
                                    Apteranthes
                                            Apteranthes burchardii
                                              Apteranthes burchardii subsp. burchardii
                                              Apteranthes burchardii subsp. maura
                                            Apteranthes europaea
                                              Apteranthes europaea subsp. europaea
                                              Apteranthes europaea subsp. maroccana
                                              Apteranthes europaea var. europaea
                                            Apteranthes joannis
                                            Apteranthes munbyana
                                    Araujia
                                            Araujia angustifolia
                                            Araujia brachystephana
                                                   [Morrenia brachystephana]
                                            Araujia herzogii
                                                   [Morrenia herzogii]
                                            Araujia hortorum
                                            Araujia odorata
                                            Araujia plumosa
                                            Araujia sericifera
                                                   [Araujia albens]
                                                   [Araujia sericofera]
                                            Araujia stormiana
                                                   [Morrenia stormiana]
                                            Araujia variegata
                                                   [Morrenia connectens]
                                                   [Morrenia variegata]
                                    Arduina
                                            Arduina bispinosa
                              Asclepiadoideae
                                Asclepiadeae
                                  Gonolobinae
                                    Microstelma
                                            Microstelma chrysanthum
                                  Tylophorinae
                                    Atrostemma
                                            Atrostemma glaberrimum
                                                   [Matelea glaberrima]
                                    Chloropetalum
                                            Chloropetalum denticulatum
                                                   [Cynanchum denticulatum]
                                                   [Gonolobus grenadensis]
                                                   [Gonolobus viridiflorus]
                                                   [Vincetoxicum viridiflorum]
                                            Chloropetalum surinamense
                                                   [Gonolobus surinamensis]
                                    Cosmostigma
                                    Eriostemma
                                            Eriostemma coronaria
                                                   [Hoya coronaria]
                                            Eriostemma madulidii
                                                   [Hoya madulidii]
                                    Glossostelma
                                            Glossostelma angolensis
                                                   [Xysmalobium angolense]
                                            Glossostelma brevilobum
                                            Glossostelma cabrae
                                                   [Asclepias cabrae]
                                                   [Xysmalobium speciosum]
                                            Glossostelma carsonii
                                                   [Asclepias carsonii]
                                                   [Asclepias mashonensis]
                                                   [Gomphocarpus chlorojodina]
                                                   [Schizoglossum carsonii]
                                                   [Schizoglossum chlorojodinum]
                                                   [Schizoglossum kassneri]
                                                   [Schizoglossum lividiflorum]
                                                   [Xysmalobium carsonii]
                                            Glossostelma ceciliae
                                                   [Xysmalobium ceciliae]
                                            Glossostelma erectum
                                                   [Asclepias erecta]
                                            Glossostelma lisianthoides
                                                   [Asclepias congolensis]
                                                   [Asclepias dissoluta]
                                                   [Asclepias lisianthoides]
                                                   [Asclepias nemorensis]
                                                   [Chlorostelma fritillarioides]
                                                   [Gomphocarpus chironioides]
                                                   [Gomphocarpus lisianthoides]
                                                   [Schizoglossum macroglossum]
                                                   [Schizoglossum violaceum]
                                                   [Xysmalobium dissolutum]
                                                   [Xysmalobium fritillarioides]
                                            Glossostelma msibiense
                                            Glossostelma nyikense
                                            Glossostelma rusapense
                                            Glossostelma spathulatum
                                                   [Gomphocarpus spathulatus]
                                                   [Schizoglossum spathulatum]
                                                   [Xysmalobium bellum]
                                                   [Xysmalobium grande]
                                                   [Xysmalobium mildbraedii]
                                                   [Xysmalobium spathulatum]
                                            Glossostelma xysmalobioides
                                                   [Asclepias xysmalobioides]
                                    Gongronema
                                            Gongronema gazense
                                                   [Marsdenia gazensis]
                                    Jasminanthes
                                            Jasminanthes mucronata
                                            Kanahia laniflora
                                                   [Asclepias coarctata]
                                                   [Asclepias fluviatilis]
                                                   [Asclepias glaberrima]
                                                   [Asclepias laniflora]
                                                   [Asclepias rivalis]
                                                   [Gomphocarpus glaberrimus]
                                                   [Kanahia consimilis]
                                                   [Kanahia delilei]
                                                   [Kanahia forskalii]
                                                   [Kanahia glaberrima]
                                                   [Kanahia kaunah]
                                                   [Kanahia monroi]
                                    Leichhardtia
                                            Leichhardtia ericoides
                                            Leichhardtia flavescens
                                                   [Marsdenia flavescens]
                                            Leichhardtia microlepis
                                                   [Marsdenia microlepis]
                                            Leichhardtia rostrata
                                                   [Marsdenia rostrata]
                                            Leichhardtia suaveolens
                                                   [Marsdenia suaveolens]
                                            Leichhardtia velutina
                                                   [Marsdenia velutina]
                                            Leichhardtia viridiflora
                                                   [Marsdenia viridiflora]
                                    Margaretta
                                            Margaretta rosea
                                              Margaretta rosea subsp. bidens
                                                     [Margaretta holstii]
                                              Margaretta rosea subsp. corallina
                                              Margaretta rosea subsp. cornetii
                                                     [Margaretta cornetii var. pallida]
                                                     [Margaretta cornetii]
                                                     [Margaretta decipiens]
                                                     [Margaretta verdickii]
                                              Margaretta rosea subsp. kilimanjarica
                                              Margaretta rosea subsp. occidentalis
                                                     [Margaretta inopinata]
                                                     [Margaretta ledermannii var. foliosa]
                                                     [Margaretta ledermannii]
                                                     [Margaretta passargei]
                                              Margaretta rosea subsp. orbicularis
                                                     [Margaretta orbicularis]
                                                     [Margaretta pulchella]
                                              Margaretta rosea subsp. rosea
                                              Margaretta rosea subsp. whytei
                                                     [Margaretta whytei]
                                    Matelea
                                            Matelea abbreviata
                                            Matelea acuminata
                                                   [Orthosia acuminata]
                                            Matelea acutissima
                                                   [Vincetoxicum acutissimum]
                                            Matelea alabamensis
                                                   [Cyclodon alabamensis]
                                                   [Vincetoxicum alabamense]
                                            Matelea alainii
                                            Matelea aliciae
                                            Matelea altatensis
                                            Matelea angustiloba
                                                   [Gonolobus angustilobus]
                                            Matelea annulata
                                            Matelea araneosa
                                                   [Gonolobus araneosus]
                                            Matelea atrocoronata
                                            Matelea atrostellata
                                            Matelea balbisii
                                                   [Lachnostoma balbisii]
                                                   [Pherotrichis balbisii]
                                            Matelea baldwyniana
                                            Matelea belizensis
                                                   [Vincetoxicum belizense]
                                            Matelea biflora
                                                   [Gonolobus biflorus]
                                            Matelea borinquensis
                                            Matelea brevicoronata
                                            Matelea calcarata
                                            Matelea calcicola
                                                   [Gonolobus calcicola]
                                            Matelea campechiana
                                                   [Matelea mayana]
                                                   [Vincetoxicum campechianum]
                                            Matelea carolinensis
                                                   [Gonolobus carolinensis]
                                                   [Vincetoxicum acanthocarpos]
                                            Matelea castanea
                                            Matelea chihuahuensis
                                            Matelea chrysantha
                                                   [Vincetoxicum chrysanthum]
                                            Matelea congesta
                                                   [Gonolobus congestus]
                                            Matelea correllii
                                            Matelea corrugata
                                            Matelea costaricensis
                                            Matelea costata
                                            Matelea crassifolia
                                            Matelea crenata
                                                   [Vincetoxicum crenatum]
                                            Matelea cyclophylla
                                                   [Suberogerens cyclophylla]
                                            Matelea cynanchoides
                                            Matelea decipiens
                                                   [Gonolobus decipiens]
                                                   [Odontostephana decipiens]
                                            Matelea decumbens
                                            Matelea denticulata
                                                   [Cynanchum viridiflora]
                                                   [Cynanchum viridiflorum]
                                                   [Matelea viridiflora]
                                            Matelea dictyantha
                                            Matelea dwyeri
                                            Matelea edwardsensis
                                            Matelea ekmanii
                                            Matelea elachyantha
                                            Matelea ferruginea
                                            Matelea flavidula
                                                   [Gonolobus flavidulus]
                                            Matelea floridana
                                                   [Vincetoxicum floridanum]
                                            Matelea fruticosa
                                            Matelea furvescens
                                            Matelea gentlei
                                                   [Vincetoxicum gentlei]
                                            Matelea gonoloboides
                                                   [Urostephanus gonoloboides]
                                            Matelea gracieae
                                            Matelea gracilis
                                                   [Gonolobus gracilis]
                                            Matelea greggii
                                                   [Vincetoxicum greggii]
                                            Matelea guatemalensis
                                                   [Gonolobus velutinus var. calycinus]
                                            Matelea haberi
                                            Matelea hastatula
                                            Matelea hastulata
                                            Matelea hemsleyana
                                            Matelea hirsuta
                                                   [Macroscepis hirsuta]
                                            Matelea hirtelliflora
                                            Matelea inconspicua
                                            Matelea inops
                                            Matelea ionantha
                                            Matelea lanata
                                            Matelea lanceolata
                                                   [Gonolobus lanceolatus]
                                            Matelea lehmannii
                                                   [Gonolobus lehmannii]
                                            Matelea lesueurii
                                            Matelea lilliputtiana
                                            Matelea macvaughiana
                                            Matelea magallanesii
                                            Matelea magnifolia
                                                   [Bruceholstia magnifolia]
                                            Matelea maritima
                                                   [Asclepias maritima]
                                                   [Ibatia muricata]
                                            Matelea medusae
                                            Matelea megacarpha
                                            Matelea meyeri
                                            Matelea micrantha
                                            Matelea molinarum
                                            Matelea nigrescens
                                                   [Gonolobus nigrescens]
                                            Matelea nummularia
                                            Matelea oaxacana
                                                   [Gonolobus tristis]
                                            Matelea obliqua
                                                   [Cynanchum obliquum]
                                                   [Gonolobus hirsutus]
                                                   [Gonolobus obliquus var. shortii]
                                            Matelea oblongata
                                                   [Orthosia oblongata]
                                            Matelea obovata
                                            Matelea orthosioides
                                            Matelea ovatifolia
                                                   [Poicilla ovatifolia]
                                            Matelea palustris
                                                   [Matelea latifolia]
                                            Matelea panamensis
                                            Matelea parviflora
                                            Matelea parvifolia
                                                   [Gonolobus californicus]
                                                   [Gonolobus parvifolius]
                                            Matelea patalensis
                                            Matelea pavonii
                                            Matelea pedalis
                                            Matelea pedunculata
                                            Matelea petiolaris
                                                   [Gonolobus petiolaris]
                                            Matelea phainops
                                            Matelea picturata
                                                   [Vincetoxicum discolor]
                                                   [Vincetoxicum pittieri]
                                            Matelea pilosa
                                            Matelea pinguifolia
                                            Matelea planiflora
                                            Matelea porphyrantha
                                                   [Vincetoxicum porphyranthum]
                                            Matelea pringlei
                                                   [Himantostemma pringlei]
                                            Matelea proctorii
                                                   [Jacaima parvifolia]
                                            Matelea producta
                                                   [Gonolobus productus]
                                            Matelea prosthecidiscus
                                                   [Prosthecidiscus guatemalensis]
                                            Matelea pseudobarbata
                                                   [Gonolobus pseudobarbatus]
                                            Matelea pubiflora
                                            Matelea pueblensis
                                            Matelea purpusii
                                                   [Gonolobus purpusii]
                                            Matelea pusilliflora
                                            Matelea quercetorum
                                                   [Vincetoxicum quercetorum]
                                            Matelea quirosii
                                            Matelea radiata
                                            Matelea reticulata
                                                   [Dictyanthus reticulatus]
                                            Matelea rivularis
                                            Matelea sagittifolia
                                            Matelea schaffneri
                                                   [Gonolobus schaffneri]
                                            Matelea scopulorum
                                            Matelea sepicola
                                            Matelea shortii
                                            Matelea sintenisii
                                            Matelea squiresii
                                                   [Gonolobus squiresii]
                                            Matelea stenosepala
                                            Matelea stergiosii
                                            Matelea suberifera
                                                   [Gonolobus suberiferus]
                                            Matelea sylvicola
                                            Matelea tamnifolia
                                                   [Poicilla tamnifolia]
                                            Matelea tenuis
                                            Matelea texensis
                                            Matelea tezcatlipocantha
                                            Matelea tigrina
                                                   [Gonolobus tigrinus]
                                            Matelea tinctoria
                                            Matelea trianae
                                            Matelea tristiflora
                                                   [Vincetoxicum tristiflorum]
                                            Matelea tuberosa
                                            Matelea tuerckheimii
                                                   [Vincetoxicum trichoneuron]
                                            Matelea umbellata
                                            Matelea urophylla
                                            Matelea variifolia
                                                   [Gonolobus variifolius]
                                                   [Matelea varifolia]
                                                   [Vincetoxicum variifolium]
                                            Matelea velutina
                                                   [Gonolobus velutinus]
                                                   [Vincetoxicum velutinum]
                                            Matelea velutinoides
                                            Matelea violacea
                                            Matelea woodsonii
                                    Morilloa
                                            Morilloa carassensis
                                                   [Astephanus carassensis]
                                    Phaeostemma
                                    Poicillopsis
                                            Poicillopsis crispiflora
                                    Pruskortizia
                                            Pruskortizia dasytricha
                                                   [Matelea dasytricha]
                                            Pruskortizia macrocarpa
                                                   [Matelea macrocarpa]
                                    Rhytidostemma
                                            Rhytidostemma viride
                                              Rhytidostemma viride subsp. viride
                                                     [Matelea viridis]
                                    Rotundanthus
                                            Rotundanthus fulvidus
                                                   [Matelea fulvida]
                                                   [Matelea grandiflora]
                                    Ruehssia
                                            Ruehssia altissima
                                              Ruehssia altissima subsp. altissima
                                                     [Marsdenia ecorpuscula]
                                            Ruehssia astephanoides
                                            Ruehssia bourgaeana
                                                   [Marsdenia bourgaeana]
                                            Ruehssia callosa
                                            Ruehssia castillonii
                                                   [Marsdenia castillonii]
                                            Ruehssia clausa
                                                   [Marsdenia campanulata]
                                                   [Marsdenia clausa var. campanulata]
                                                   [Marsdenia clausa]
                                                   [Pergularia clausa]
                                            Ruehssia condensiflora
                                                   [Marsdenia inelegans]
                                            Ruehssia coulteri
                                            Ruehssia crassipes
                                                   [Marsdenia crassipes]
                                            Ruehssia cundurango
                                              Ruehssia cundurango subsp. cundurango
                                                     [Gonolobus cundurango]
                                            Ruehssia cuneata
                                                   [Marsdenia cuneata]
                                            Ruehssia dressleri
                                                   [Marsdenia dressleri]
                                            Ruehssia engleriana
                                                   [Marsdenia engleriana]
                                            Ruehssia gallardoae
                                            Ruehssia gualanensis
                                                   [Marsdenia brenesii]
                                            Ruehssia lanata
                                                   [Marsdenia agnota]
                                                   [Marsdenia lanata]
                                            Ruehssia laxiflora
                                            Ruehssia malmeana
                                                   [Marsdenia malmeana]
                                            Ruehssia mexicana
                                                   [Marsdenia mexicana]
                                            Ruehssia nicoyana
                                                   [Marsdenia nicoyana]
                                            Ruehssia olgamarthae
                                                   [Marsdenia olgamarthae]
                                            Ruehssia panamensis
                                                   [Marsdenia panamensis]
                                            Ruehssia parvifolia
                                            Ruehssia pinetorum
                                                   [Marsdenia pinetorum]
                                            Ruehssia propinqua
                                            Ruehssia pseudoedulis
                                                   [Marsdenia blepharodes]
                                                   [Marsdenia pseudoedulis]
                                            Ruehssia rotheana
                                                   [Marsdenia rotheana]
                                            Ruehssia rubrofusca
                                                   [Marsdenia rubrofusca]
                                            Ruehssia rzedowskiana
                                                   [Marsdenia rzedowskiana]
                                            Ruehssia sprucei
                                                   [Marsdenia sprucei]
                                            Ruehssia stephanotidifolia
                                                   [Marsdenia stephanotidifolia]
                                            Ruehssia steyermarkii
                                                   [Marsdenia steyermarkii]
                                            Ruehssia trivirgulata
                                            Ruehssia troyana
                                                   [Marsdenia troyana]
                                            Ruehssia tubularis
                                                   [Marsdenia tubularis]
                                            Ruehssia undulata
                                                   [Cynanchum undulatum]
                                            Ruehssia veronicae
                                                   [Marsdenia veronicae]
                                            Ruehssia weddellii
                                                   [Marsdenia weddellii]
                                            Ruehssia zimapanica
                                                   [Marsdenia zimapanica]
                                    Talayotea
                                            Talayotea caudata
                                                   [Matelea caudata]
                                            Talayotea trachyantha
                                                   [Gonolobus caudatus var. trachyanthus]
                                                   [Matelea trachyantha]
                                    Vulcanoa
                                            Vulcanoa steyermarkii
                                                   [Matelea steyermarkii]
                                    Asclepias
               Asclepias F1 hybrid
                                            Asclepias aceratoides
                                            Asclepias aequicornu
                                            Asclepias albens
                                                   [Asclepias affinis]
                                                   [Gomphocarpus albens]
                                            Asclepias albicans
                                            Asclepias albida
                                            Asclepias alpestris
                                                   [Schizoglossum alpestre]
                                            Asclepias amabilis
                                                   [Gomphocarpus amabilis]
                                            Asclepias ameliae
                                                   [Asclepias pulchella]
                                                   [Gomphocarpus pulchellus]
                                                   [Trachycalymma pulchellum]
                                            Asclepias amoena
                                            Asclepias amplexicaulis
                                            Asclepias amsonioides
                                            Asclepias angustifolia
                                                   [Gomphocarpus angustifolius]
                                            Asclepias apocynifolia
                                            Asclepias arenaria
                                            Asclepias arenicola
                                            Asclepias asperula
                                              Asclepias asperula asperula
                                              Asclepias asperula subsp. asperula
                                                     [Acerates asperula]
                                              Asclepias asperula subsp. capricornu
                                                     [Acerates decumbens]
                                                     [Anantherix decumbens]
                                                     [Asclepias capricornu subsp. capricornu]
                                                     [Asclepias capricornu subsp. occidentalis]
                                                     [Asclepias capricornu]
                                                     [Asclepias decumbens]
                                              Asclepias asperula var. asperula
                                              Asclepias asperula var. decumbens
                                            Asclepias atroviolacea
                                            Asclepias aurea
                                                   [Aidomene parvula]
                                                   [Asclepias radiata]
                                              Asclepias aurea var. vittata
                                            Asclepias barjoniifolia
                                                   [Asclepias cochabambensis]
                                            Asclepias baumii
                                            Asclepias bicknellii
                                            Asclepias bifida
                                            Asclepias boliviensis
                                            Asclepias brachystephana
                                            Asclepias brevianthera
                                              Asclepias brevianthera subsp. brevianthera
                                              Asclepias brevianthera subsp. minor
                                            Asclepias buchwaldii
                                                   [Asclepias buchwaldii var. angustifolia]
                                                   [Gomphocarpus buchwaldii]
                                                   [Trachycalymma buchwaldii]
                                            Asclepias californica
                                                   [Gomphocarpus tomentosus var. xanti]
                                              Asclepias californica californica
                                              Asclepias californica subsp. californica
                                              Asclepias californica subsp. greenei
                                            Asclepias campestris
                                            Asclepias candida
                                            Asclepias carnosa
                                            Asclepias cinerea
                                                   [Enslenia cinerea]
                                            Asclepias circinalis
                                            Asclepias cirrosa
                                            Asclepias coccinea
                                            Asclepias connivens
                                                   [Acerates connivens]
                                                   [Anantherix verrucosa]
                                            Asclepias consanguinea
                                                   [Asclepias obtusifolia]
                                            Asclepias constricta
                                            Asclepias contrayerba
                                                   [Asclepias setosa]
                                            Asclepias conzattii
                                            Asclepias cordifolia
                                                   [Gomphocarpus cordifolius]
                                            Asclepias coulteri
                                                   [Asclepias tithymaloides]
                                            Asclepias crassicoronata
                                            Asclepias crispa
                                              Asclepias crispa var. crispa
                                            Asclepias crocea
                                            Asclepias cryptoceras
                                              Asclepias cryptoceras subsp. cryptoceras
                                              Asclepias cryptoceras subsp. davisii
                                              Asclepias cryptoceras var. cryptoceras
                                              Asclepias cryptoceras var. davisii
                                            Asclepias cucullata
                                              Asclepias cucullata subsp. cucullata
                                                     [Gomphocarpus cucullatus]
                                                     [Trachycalymma cucullatum]
                                              Asclepias cucullata subsp. scabrifolia
                                                     [Asclepias scabrifolia]
                                            Asclepias curassavica
                                                   [Asclepias nivea var. curassavica]
                                            Asclepias curtissii
                                            Asclepias cutleri
                                            Asclepias davisii
                                            Asclepias debilis
                                            Asclepias densiflora
                                            Asclepias dependens
                                                   [Gomphocarpus dependens]
                                            Asclepias dregeana
                                              Asclepias dregeana var. calceola
                                                     [Asclepias calceolus]
                                                     [Asclepias dregeana var. sordida]
                                            Asclepias edentata
                                            Asclepias elata
                                            Asclepias elegantula
                                            Asclepias eminens
                                                   [Gomphocarpus eminens]
                                                   [Stenostelma eminens]
                                            Asclepias emoryi
                                                   [Asclepias bartlettiana]
                                                   [Podostemma leoninum]
                                            Asclepias engelmanniana
                                                   [Acerates auriculata]
                                                   [Asclepias auriculata]
                                            Asclepias eriocarpa
                                                   [Asclepias eriocarpa var. microcarpa]
                                                   [Asclepias fremontii]
                                            Asclepias erosa
                                                   [Asclepias leucophylla]
                                                   [Asclepias rothrockii]
                                            Asclepias euphorbiifolia
                                            Asclepias exaltata
                                            Asclepias exilis
                                            Asclepias fallax
                                            Asclepias fascicularis
                                                   [Asclepias mexicana]
                                            Asclepias feayi
                                                   [Acerates feayi]
                                                   [Asclepiodora feayi]
                                            Asclepias fimbriata
                                                   [Trachycalymma fimbriatum]
                                            Asclepias foliosa
                                                   [Asclepias endotrachys]
                                                   [Asclepias lepida]
                                                   [Asclepias minuta]
                                                   [Asclepias modesta var. foliosa]
                                                   [Asclepias modesta var. modesta]
                                                   [Asclepias modesta]
                                                   [Gomphocarpus foliosus]
                                                   [Trachycalymma foliosum]
                                            Asclepias fournieri
                                                   [Acerates gomphocarpoides]
                                                   [Asclepias grayi]
                                            Asclepias fruticosa
                                            Asclepias fulva
                                                   [Asclepias rubicunda]
                                                   [Gomphocarpus marginatus]
                                                   [Gomphocarpus viridiflorus]
                                                   [Pachycarpus fulvus]
                                                   [Pachycarpus viridiflorus]
                                                   [Xysmalobium viridiflorum]
                                            Asclepias gentryi
                                            Asclepias gibba
                                            Asclepias glaucescens
                                            Asclepias graminifolia
                                                   [Pachycarpus graminifolius]
                                                   [Trachycalymma graminifolium]
                                            Asclepias grandirandii
                                            Asclepias graogramanii
                                            Asclepias hallii
                                            Asclepias hirtella
                                            Asclepias humilis
                                                   [Acerates humilis]
                                            Asclepias humistrata
                                            Asclepias hybrida
                                            Asclepias hypoleuca
                                                   [Gomphocarpus hypoleucus]
                                            Asclepias inaequalis
                                            Asclepias incarnata
                                                   [Asclepias incarnata var. longifolia]
                                              Asclepias incarnata incarnata
                                              Asclepias incarnata subsp. incarnata
                                                     [Asclepias incarnata f. albiflora]
                                                     [Asclepias incarnata var. glabra]
                                              Asclepias incarnata subsp. pulchra
                                              Asclepias incarnata var. incarnata
                                              Asclepias incarnata var. neoscotica
                                              Asclepias incarnata var. pulchra
                                            Asclepias intermedia
                                            Asclepias involucrata
                                            Asclepias jaliscana
                                            Asclepias jorgeana
                                            Asclepias kamerunensis
                                                   [Gomphocarpus kamerunensis]
                                            Asclepias kansana
                                            Asclepias kotolo
                                            Asclepias labriformis
                                            Asclepias lanceolata
                                                   [Asclepias paupercula]
                                              Asclepias lanceolata var. paupercula
                                            Asclepias lanuginosa
                                                   [Acerates lanuginosa]
                                            Asclepias latifolia
                                                   [Asclepias obtusifolia var. latifolia]
                                            Asclepias laurifolia
                                            Asclepias laxiflora
                                                   [Otaria laxiflora]
                                            Asclepias lemmonii
                                            Asclepias leptopus
                                            Asclepias linaria
                                                   [Asclepias pinifolia]
                                            Asclepias linearis
                                            Asclepias linifolia
                                            Asclepias longifolia
                                                   [Acerates delticola]
                                                   [Acerates floridana]
                                                   [Acerates longifolia]
                                                   [Asclepias floridana]
                                                   [Polyotus longifolius]
                                              Asclepias longifolia subsp. hirtella
                                              Asclepias longifolia subsp. longifolia
                                              Asclepias longifolia var. hirtella
                                              Asclepias longifolia var. longifolia
                                            Asclepias longirostra
                                            Asclepias longissima
                                                   [Gomphocarpus longissimus]
                                            Asclepias lynchiana
                                                   [Asclepias grandiflora]
                                            Asclepias macrantha
                                            Asclepias macropus
                                            Asclepias macrosperma
                                                   [Asclepias involucrata var. tomentosa]
                                            Asclepias macrotis
                                            Asclepias macroura
                                            Asclepias masonii
                                            Asclepias mcvaughii
                                            Asclepias meadii
                                            Asclepias melantha
                                            Asclepias meliodora
                                                   [Schizoglossum theileri]
                                            Asclepias mellodora
                                                   [Asclepias hassleriana]
                                                   [Asclepias nervosa]
                                            Asclepias michauxii
                                            Asclepias minor
                                                   [Odontostelma minus]
                                                   [Odontostelma welwitschii]
                                            Asclepias minutiflora
                                                   [Trachycalymma minutiflorum]
                                            Asclepias mirifica
                                            Asclepias mtorwiensis
                                            Asclepias multicaulis
                                            Asclepias neglecta
                                            Asclepias nigra
                                            Asclepias nivea
                                            Asclepias notha
                                            Asclepias nummularia
                                            Asclepias nuttii
                                                   [Stathmostelma nuttii]
                                            Asclepias nyctaginifolia
                                            Asclepias nyctaginifolia x standleyi
                                            Asclepias obovata
                                            Asclepias occidentalis
                                            Asclepias oenotheroides
                                                   [Asclepias brevicornu]
                                                   [Asclepias lindheimeri]
                                                   [Asclepias longicornu]
                                                   [Podostemma australe]
                                                   [Podostemma helleri]
                                            Asclepias otarioides
                                            Asclepias ovalifolia
                                                   [Asclepias nuttalliana]
                                            Asclepias ovata
                                            Asclepias palustris
                                                   [Asclepias cristata]
                                                   [Gomphocarpus cristatus]
                                                   [Gomphocarpus palustris]
                                                   [Trachycalymma cristatum]
                                            Asclepias pedicellata
                                                   [Podostigma pubescens]
                                            Asclepias pellucida
                                            Asclepias perennis
                                                   [Asclepias parvula]
                                                   [Matelea laevis]
                                              Asclepias perennis var. parvula
                                            Asclepias physocarpa
                                                   [Gomphocarpus physocarpus]
                                            Asclepias phytolaccoides
                                            Asclepias pilgeriana
                                                   [Asclepias flava]
                                            Asclepias pratensis
                                            Asclepias pringlei
                                            Asclepias prostrata
                                            Asclepias pseudoamabilis
                                            Asclepias pseudofimbriata
                                                   [Trachycalymma pseudofimbriatum]
                                            Asclepias pseudorubricaulis
                                            Asclepias puberula
                                            Asclepias pulchra
                                            Asclepias pumila
                                                   [Asclepias verticillata var. pumila]
                                            Asclepias purpurascens
                                            Asclepias pygmaea
                                            Asclepias quadrifolia
                                            Asclepias quinquedentata
                                                   [Asclepias palmeri]
                                            Asclepias rafaelensis
                                            Asclepias randii
                                            Asclepias rolfsii
                                            Asclepias rosea
                                            Asclepias rubra
                                                   [Asclepias lancifolia]
                                            Asclepias rusbyi
                                                   [Asclepias engelmanniana var. rusbyi]
                                            Asclepias ruthiae
                                                   [Asclepias eastwoodiana]
                                                   [Asclepias uncialis subsp. ruthiae]
                                                   [Asclepias uncialis var. ruthiae]
                                            Asclepias sanjuanensis
                                            Asclepias scaposa
                                            Asclepias schaffneri
                                                   [Asclepias zacatecana]
                                            Asclepias scheryi
                                            Asclepias schizoglossoides
                                            Asclepias schumanniana
                                                   [Asclepias gossweileri]
                                                   [Asclepias rubella]
                                                   [Gomphocarpus amoenus]
                                                   [Gomphocarpus roseus]
                                                   [Trachycalymma amoenum]
                                            Asclepias senecionifolia
                                            Asclepias shabaensis
                                                   [Trachycalymma shabaense]
                                            Asclepias similis
                                                   [Asclepias alticola]
                                                   [Asclepias bidentata]
                                            Asclepias solanoana
                                            Asclepias solstitialis
                                                   [Gomphocarpus solstitialis]
                                            Asclepias speciosa
                                                   [Asclepias giffordii]
                                            Asclepias sperryi
                                            Asclepias sphacelata
                                                   [Gomphocarpus sphacelatus]
                                            Asclepias standleyi
                                            Asclepias stathmostelmoides
                                                   [Stathmostelma verdickii]
                                            Asclepias stellifera
                                            Asclepias stenophylla
                                            Asclepias subaphylla
                                            Asclepias suberosa
                                            Asclepias subulata
                                            Asclepias subverticillata
                                                   [Asclepias galioides]
                                            Asclepias subviridis
                                            Asclepias suffrutex
                                            Asclepias sullivantii
                                            Asclepias syriaca
                                                   [Asclepias cornuti]
                                                   [Asclepias syriaca f. leucantha]
                                              Asclepias syriaca var. kansana
                                            Asclepias tanganyikensis
                                                   [Gomphocarpus tanganyikensis]
                                            Asclepias texana
                                            Asclepias tomentosa
                                            Asclepias tuberosa
                                              Asclepias tuberosa subsp. interior
                                                     [Asclepias tuberosa f. lutea]
                                                     [Asclepias tuberosa subsp. terminalis]
                                                     [Asclepias tuberosa var. interior]
                                              Asclepias tuberosa subsp. rolfsii
                                              Asclepias tuberosa subsp. tuberosa
                                                     [Asclepias tuberosa f. bicolor]
                                                     [Asclepias tuberosa var. cordata]
                                                     [Asclepias tuberosa var. decumbens]
                                              Asclepias tuberosa var. rolfsii
                                              Asclepias tuberosa var. tuberosa
                                            Asclepias uncialis
                                              Asclepias uncialis subsp. uncialis
                                            Asclepias variegata
                                            Asclepias verticillata
                                                   [Asclepias parviflora]
                                              Asclepias verticillata var. galioides
                                              Asclepias verticillata var. subverticillata
                                            Asclepias vestita
                                              Asclepias vestita subsp. parishii
                                              Asclepias vestita subsp. vestita
                                              Asclepias vestita var. parishii
                                            Asclepias vinosa
                                                   [Acerates vinosa]
                                            Asclepias viridiflora
                                                   [Acerates bifida]
                                                   [Acerates viridiflora var. ivesii]
                                                   [Acerates viridiflora var. lanceolata]
                                                   [Acerates viridiflora var. linearis]
                                                   [Acerates viridiflora]
                                                   [Asclepias viridiflora var. lanceolata]
                                                   [Asclepias viridiflora var. linearis]
                                                   [Polyotus heterophyllus]
                                              Asclepias viridiflora var. obovata
                                              Asclepias viridiflora var. viridiflora
                                            Asclepias viridis
                                                   [Acerates paniculata]
                                                   [Anantherix paniculata]
                                            Asclepias viridula
                                            Asclepias virletii
                                            Asclepias welshii
                                            Asclepias woodsoniana
                                            Asclepias wrightii
                                            Asclepias zanthodacryon
                                                   [Asclepiodora zanthodacryon]
                                    Asclepiodella
                                            Asclepiodella feayi
                                    Asclepiodora
                                            Asclepiodora asperula
                                            Asclepiodora decumbens
                                            Asclepiodora viridis
                                    Aspidoglossum
                                            Aspidoglossum angustissimum
                                                   [Aspidoglossum whytei]
                                                   [Schizoglossum angustissimum]
                                                   [Schizoglossum elatum]
                                                   [Schizoglossum ledermannii]
                                                   [Schizoglossum whytei]
                                                   [Schizoglossum zernyi]
                                            Aspidoglossum araneiferum
                                                   [Schizoglossum araneiferum]
                                                   [Schizoglossum polynema]
                                            Aspidoglossum biflorum
                                                   [Aspidoglossum biflorum var. gwelense]
                                                   [Schizoglossum biflorum]
                                                   [Schizoglossum gwelense]
                                                   [Schizoglossum shirense]
                                            Aspidoglossum breve
                                            Aspidoglossum cebrum
                                            Aspidoglossum connatum
                                                   [Schizoglossum connatum]
                                                   [Schizoglossum vulcanorum]
                                            Aspidoglossum crebrum
                                            Aspidoglossum delagoense
                                                   [Schizoglossum biauriculatum]
                                                   [Schizoglossum delagoense]
                                            Aspidoglossum elliotii
                                                   [Schizoglossum debile]
                                                   [Schizoglossum elliotii]
                                            Aspidoglossum erubescens
                                                   [Schizoglossum erubescens]
                                                   [Schizoglossum pentheri]
                                                   [Schizoglossum strictissimum]
                                            Aspidoglossum eylesii
                                                   [Schizoglossum eylesii]
                                            Aspidoglossum glabellum
                                            Aspidoglossum hirundo
                                            Aspidoglossum interruptum
                                                   [Lagarinthus interruptus]
                                                   [Schizoglossum barberae]
                                                   [Schizoglossum garuanum]
                                                   [Schizoglossum gracile]
                                                   [Schizoglossum kamerunense]
                                                   [Schizoglossum lasiopetalum]
                                                   [Schizoglossum morumbenense]
                                            Aspidoglossum lanatum
                                                   [Schizoglossum lanatum]
                                            Aspidoglossum masaicum
                                                   [Aspidoglossum kulsii]
                                                   [Schizoglossum altum]
                                                   [Schizoglossum baumii]
                                                   [Schizoglossum fuscopurpureum]
                                                   [Schizoglossum masaicum]
                                                   [Schizoglossum semlikense]
                                            Aspidoglossum nyasae
                                                   [Schizoglossum leptoglossum]
                                                   [Schizoglossum multifolium]
                                                   [Schizoglossum nyassae]
                                            Aspidoglossum ovalifolium
                                                   [Schizoglossum ovalifolium]
                                            Aspidoglossum rhodesicum
                                                   [Schizoglossum rhodesicum]
                                            Aspidoglossum woodii
                                    Aspidosperma
                                            Aspidosperma album
                                                   [Aspidosperma centrale]
                                            Aspidosperma argenteum
                                            Aspidosperma australe
                                              Aspidosperma australe var. estrellense
                                            Aspidosperma camporum
                                            Aspidosperma capitatum
                                            Aspidosperma carapanauba
                                            Aspidosperma chodatii
                                            Aspidosperma cruentum
                                            Aspidosperma cuspa
                                                   [Aspidosperma ellipticum]
                                                   [Aspidosperma sessiliflorum]
                                            Aspidosperma cylindrocarpon
                                            Aspidosperma darienense
                                            Aspidosperma decussatum
                                            Aspidosperma desmanthum
                                                   [Aspidosperma chiapense]
                                                   [Aspidosperma matudae]
                                            Aspidosperma discolor
                                            Aspidosperma dispermum
                                            Aspidosperma dugandii
                                            Aspidosperma eburneum
                                                   [Aspidosperma pruinosum]
                                            Aspidosperma excelsum
                                                   [Aspidosperma marcgravianum]
                                                   [Aspidosperma nitidum]
                                            Aspidosperma illustre
                                            Aspidosperma macrocarpon
                                                   [Aspidosperma duckei]
                                            Aspidosperma megalocarpon
                                                   [Aspidosperma lundellianum]
                                                   [Cufodontia arborea]
                                                   [Cufodontia escuintlensis]
                                              Aspidosperma megalocarpon subsp. curranii
                                                     [Aspidosperma curranii]
                                              Aspidosperma megalocarpon subsp. megalocarpon
                                                     [Aspidosperma stegomeris]
                                                     [Cufodontia lundelliana]
                                                     [Cufodontia stegomeris]
                                            Aspidosperma megaphyllum
                                            Aspidosperma multiflorum
                                            Aspidosperma myristicifolium
                                            Aspidosperma neblinae
                                            Aspidosperma nobile
                                            Aspidosperma oblongum
                                            Aspidosperma olivaceum
                                            Aspidosperma pachypterum
                                            Aspidosperma parvifolium
                                                   [Aspidosperma vargasii]
                                            Aspidosperma polyneuron
                                                   [Aspidosperma peroba]
                                            Aspidosperma pyricollum
                                            Aspidosperma pyrifolium
                                            Aspidosperma quebracho
                                            Aspidosperma quebracho-blanco
                                            Aspidosperma ramiflorum
                                            Aspidosperma riedelii
                                            Aspidosperma rigidum
                                                   [Aspidosperma jaunechense]
                                            Aspidosperma schultesii
                                            Aspidosperma spruceanum
                                                   [Aspidosperma melanocalyx]
                                                   [Aspidosperma steinbachii]
                                                   [Aspidosperma woodsonianum]
                                            Aspidosperma steyermarkii
                                            Aspidosperma subincanum
                                            Aspidosperma tomentosum
                                                   [Aspidosperma dasycarpon]
                                                   [Aspidosperma quirandy var. silvaticum]
                                                   [Aspidosperma quirandy]
                                            Aspidosperma triternatum
                                                   [Aspidosperma horko-kebracho]
                                            Aspidosperma ulei
                                            Aspidosperma verruculosum
                                            Aspidosperma williamii
                                    Astephanus
                                            Astephanus hieronymi
                                            Astephanus ovatus
                                            Astephanus triflorus
                                    Australluma
                                            Australluma ubomboensis
                                                   [Angolluma ubomboensis]
                                                   [Caralluma ubomboensis]
                                                   [Orbea ubomboensis]
                                                   [Pachycymbium ubomboense]
                                    Baissea
                                            Baissea atrobrunnea
                                            Baissea axillaris
                                                   [Guerkea schumanniana]
                                                   [Zygodia axillaris]
                                            Baissea baillonii
                                                   [Baissea breviloba]
                                                   [Baissea ivorensis]
                                            Baissea campanulata
                                                   [Baissea goossensii]
                                                   [Baissea laurentii]
                                                   [Baissea minutiflora]
                                                   [Baissea subsessilis]
                                                   [Oncinotis campanulata]
                                                   [Oncinotis subsessilis]
                                            Baissea concinna
                                            Baissea congensis
                                                   [Zygodia congensis]
                                            Baissea floribunda
                                                   [Guerkea floribunda]
                                            Baissea gracillima
                                                   [Baissea malchairii]
                                                   [Baissea micrantha]
                                                   [Guerkea gracillima]
                                            Baissea haemantha
                                            Baissea hildebrandtii
                                            Baissea lane-poolei
                                            Baissea leonensis
                                                   [Baissea albo-rosea]
                                                   [Baissea brachyantha]
                                                   [Baissea dichotoma]
                                                   [Baissea elliptica]
                                                   [Baissea giorgii]
                                                   [Baissea likimiensis]
                                                   [Baissea odorata]
                                                   [Baissea ogowensis]
                                                   [Baissea tenuiloba]
                                                   [Baissea uropetala]
                                                   [Guerkea uropetala]
                                            Baissea leontonori
                                            Baissea longipetiolata
                                            Baissea major
                                                   [Baissea angolensis var. major]
                                            Baissea multiflora
                                                   [Baissea angolensis]
                                                   [Baissea caudiloba]
                                                   [Baissea heudelotii]
                                                   [Baissea laxiflora]
                                                   [Baissea multiflora var. caudiloba]
                                                   [Baissea thollonii]
                                                   [Guerkea congolana]
                                                   [Oncinotis axillaris]
                                            Baissea myrtifolia
                                                   [Baissea kidengensis]
                                                   [Baissea melanocephala]
                                                   [Oncinotis melanocephala]
                                                   [Zygodia kidengensis]
                                                   [Zygodia melanocephala]
                                                   [Zygodia myrtifolia]
                                            Baissea ochrantha
                                            Baissea subrufa
                                                   [Baissea mortehanii]
                                            Baissea urceolata
                                                   [Zygodia subsessilis]
                                                   [Zygodia urceolata]
                                            Baissea viridiflora
                                                   [Motandra viridiflora]
                                            Baissea welwitschii
                                                   [Baissea calophylla]
                                                   [Baissea erythrosticta]
                                                   [Conodura calophylla]
                                                   [Perinerion welwitschii]
                                            Baissea wulfhorstii
                                                   [Baissea spectabilis]
                                            Baissea zygodioides
                                                   [Baissea aframensis]
                                                   [Oncinotis zygodioides]
                                    Ballyanthus
                                            Ballyanthus major
                                            Ballyanthus prognathus
                                                   [Orbea prognatha]
                                                   [Stapelia prognatha]
                                    Barjonia
                                    Barrowia
                                    Baseonema
                                            Baseonema gregoryi
                                    Basistelma
                                            Basistelma angustifolium
                                    Batesanthus
                                            Batesanthus pseudopalpus
                                            Batesanthus purpureus
                                                   [Batesanthus intrusus]
                                                   [Batesanthus mildbraedii]
                                                   [Batesanthus talbotii var. grandiflora]
                                                   [Batesanthus talbotii var. parviflora]
                                                   [Batesanthus talbotii]
                                                   [Perithrix glabra]
                                    Beaumontia
                                            Beaumontia brevituba
                                            Beaumontia grandiflora
                                            Beaumontia jerdoniana
                                            Beaumontia multiflora
                                            Beaumontia murtonii
                                    Belandra
                                    Biondia
                                            Biondia henryi
                                    Biventraria
                                            Biventraria variegata
                                    Blastotrophe
                                    Blepharodon
                                            Blepharodon asparagoides
                                            Blepharodon bicuspidatum
                                            Blepharodon glaucescens
                                                   [Ditassa glaucescens]
                                            Blepharodon gomphocarpoides
                                                   [Marsdenia neriifolia]
                                                   [Nephradenia neriifolia]
                                            Blepharodon grandiflorum
                                            Blepharodon lineare
                                            Blepharodon mucronatum
                                                   [Astephanus mucronatus]
                                                   [Philibertia anomala]
                                            Blepharodon pictum
                                                   [Blepharodon nitidum]
                                                   [Blepharodon steudelianum]
                                                   [Cynanchum pictum]
                                            Blepharodon reflexum
                                            Blepharodon viscidum
                                    Blyttia
                                            Blyttia spiralis
                                                   [Pentatropis spiralis]
                                    Bonafousia
                                            Bonafousia undulata
                                    Boucerosia
                                    Brachystelma
                                            Brachystelma albipilosum
                                            Brachystelma arachnoideum
                                            Brachystelma arenarium
                                            Brachystelma barberiae
                                                   [Dichaelia barberiae]
                                            Brachystelma bikitaense
                                            Brachystelma bracteolatum
                                            Brachystelma buchananii
                                                   [Brachystelma magicum]
                                                   [Brachystelma nauseosum]
                                                   [Brachystelma shirense]
                                                   [Ceropegia buchananii]
                                            Brachystelma chloranthum
                                            Brachystelma coddii
                                              Brachystelma coddii subsp. kituloense
                                                     [Brachystelma kituloense]
                                            Brachystelma dinteri
                                            Brachystelma elegantulum
                                            Brachystelma exile
                                            Brachystelma festucifolium
                                            Brachystelma floribundum
                                              Brachystelma floribundum var. floribundum
                                              Brachystelma floribundum var. mlimakito
                                            Brachystelma foetidum
                                                   [Brachystelma rehmannii]
                                            Brachystelma franksiae
                                            Brachystelma furcatum
                                            Brachystelma gracile
                                            Brachystelma gymnopodum
                                                   [Ceropegia pumila]
                                                   [Ceropegia pygmaea var. pumila]
                                                   [Ceropegia pygmaea var. pygmaea]
                                            Brachystelma hirtellum
                                                   [Brachystelma pilosum]
                                                   [Dichaelia hirtella]
                                            Brachystelma johnstonii
                                                   [Brachystelma bagshawei]
                                                   [Brachystelma constrictum]
                                                   [Brachystelma lanceolatum]
                                                   [Brachystelma medusanthemum]
                                            Brachystelma keniense
                                            Brachystelma lancasteri
                                            Brachystelma letestui
                                            Brachystelma lineare
                                                   [Brachystelma asmarense]
                                                   [Brachystelma ellipticum]
                                                   [Brachystelma pellacibellum]
                                                   [Brachystelma phyteumoides]
                                            Brachystelma mafekingense
                                            Brachystelma maritae
                                            Brachystelma megasepalum
                                            Brachystelma omissum
                                            Brachystelma plocamoides
                                                   [Brachystelma linearifolium]
                                                   [Brachystelma mortonii]
                                                   [Brachystelma parviflorum]
                                                   [Ceropegia plocamoides]
                                            Brachystelma prostratum
                                            Brachystelma punctatum
                                            Brachystelma pygmaeum
                                              Brachystelma pygmaeum subsp. pygmaeum
                                                     [Brachystelma pygmaeum var. breviflorum]
                                                     [Dichaelia breviflora]
                                                     [Dichaelia pygmaea]
                                            Brachystelma richardsii
                                            Brachystelma rubellum
                                                   [Tenaris rostrata]
                                                   [Tenaris rubella]
                                                   [Tenaris simulans]
                                                   [Tenaris volkensii]
                                            Brachystelma tavalla
                                                   [Ceropegia tavalla]
                                            Brachystelma togoense
                                                   [Brachystelma atacorense]
                                    Bruceholstia
                                            Bruceholstia sidifolia
                                                   [Vincetoxicum hatchii]
                                    Buckollia
                                            Buckollia tomentosa
                                                   [Tacazzea tomentosa]
                                            Buckollia volubilis
                                                   [Curroria volubilis]
                                                   [Raphionacme volubilis]
                                                   [Tacazzea volubilis]
                                    Bunburia
                                    Calcareophilum
                                    Calciphila
                                            Calciphila galgalensis
                                                   [Calcareophilum galgalense]
                                            Calciphila gillettii
                                                   [Calcareophilum gillettii]
                                    Callichilia
                                            Callichilia barteri
                                                   [Hedranthera barteri]
                                                   [Tabernaemontana barteri]
                                            Callichilia basileis
                                            Callichilia bequaertii
                                                   [Callichilia macrocalyx]
                                                   [Callichilia magnifica]
                                            Callichilia inaequalis
                                                   [Callichilia mannii]
                                            Callichilia monopodialis
                                                   [Tabernaemontana monopodialis]
                                            Callichilia orientalis
                                                   [Ephippiocarpa orientalis]
                                            Callichilia subsessilis
                                                   [Callichilia stenosepala]
                                                   [Tabernaemontana subsessilis]
                                    Calocrater
                                            Calocrater preussii
                                                   [Colocrater preussii]
                                    Calostigma
                                    Calotropis
                                            Calotropis gigantea
                                            Calotropis procera
                                                   [Asclepias gigantea]
                                                   [Asclepias procera]
                                                   [Calotropis busseana]
                                                   [Calotropis inflexa]
                                    Cameraria
                                            Cameraria angustifolia
                                            Cameraria belizensis
                                            Cameraria latifolia
                                            Cameraria linearifolia
                                            Cameraria retusa
                                                   [Cameraria oblongifolia]
                                    Camerunia
                                    Caralluma
                                            Caralluma acutangula
                                            Caralluma adscendens
                                                   [Caralluma subulata]
                                                   [Stapelia adscendens]
                                                   [Stapelia subulata]
                                            Caralluma ango
                                                   [Stapelia ango]
                                            Caralluma arachnoidea
                                              Caralluma arachnoidea var. arachnoidea
                                                     [Caralluma gracilipes subsp. arachnoidea]
                                                     [Spathulopetalum arachnoideum]
                                              Caralluma arachnoidea var. breviloba
                                                     [Caralluma gracilipes subsp. breviloba]
                                            Caralluma aucheriana
                                                   [Boucerosia aucheriana]
                                            Caralluma baradii
                                                   [Somalluma baradii]
                                            Caralluma congestiflora
                                                   [Caralluma plurifasciculata]
                                                   [Spathulopetalum congestiflora]
                                            Caralluma dalzielii
                                                   [Caralluma sudanica]
                                            Caralluma darfurensis
                                            Caralluma dicapuae
                                                   [Caralluma dicapuae var. seticorona]
                                                   [Spathulopetalum dicapuae]
                                            Caralluma edithae
                                                   [Desmidorchis edithae]
                                            Caralluma edwardsiae
                                                   [Caralluma gracilipes subsp. edwardsiae]
                                                   [Spathulopetalum edwardsiae]
                                            Caralluma flavovirens
                                            Caralluma frerei
                                            Caralluma furta
                                                   [Saurolluma furta]
                                            Caralluma gracilipes
                                                   [Spathulopetalum gracilipes]
                                            Caralluma longiflora
                                                   [Spathulopetalum longiflorum]
                                            Caralluma moniliformis
                                                   [Spathulopetalum moniliforme]
                                            Caralluma nebrownii
                                            Caralluma peckii
                                                   [Spathulopetalum peckii]
                                            Caralluma priogonium
                                                   [Caralluma elata]
                                                   [Caralluma mogadoxensis]
                                                   [Lasiostelma somalense]
                                                   [Spathulopetalum mogadoxense]
                                                   [Spathulopetalum priogonium]
                                                   [Tenaris somalensis]
                                            Caralluma procumbens
                                            Caralluma russelliana
                                            Caralluma socotrana
                                            Caralluma somalica
                                                   [Desmidorchis somalicus]
                                            Caralluma turneri
                                                   [Caralluma dicapuae subsp. turneri]
                                                   [Spathulopetalum turneri]
                                              Caralluma turneri subsp. turneri
                                              Caralluma turneri subsp. ukambensis
                                                     [Caralluma dicapuae subsp. ukambensis]
                                            Caralluma vaduliae
                                                   [Spathulopetalum vaduliae]
                                            Caralluma wilhelmii
                                    Carissa
                                            Carissa arduina
                                            Carissa bispinosa
                                                   [Arduina acuminata]
                                                   [Arduina erythrocarpa]
                                                   [Carissa acuminata]
                                                   [Carissa bispinosa subsp. zambesiensis]
                                                   [Carissa bispinosa var. acuminata]
                                                   [Carissa cordata]
                                                   [Carissa dinteri]
                                                   [Carissa erythrocarpa]
                                                   [Carissa megaphylla]
                                                   [Carissa myrtoides]
                                                   [Carissa sessiliflora]
                                                   [Carissa wyliei]
                                                   [Jasminonerium bispinosum]
                                                   [Lycium cordatum]
                                            Carissa brownii
                                            Carissa carandas
                                            Carissa congesta
                                            Carissa edulis
                                            Carissa inermis
                                                   [Carissa macrophylla]
                                            Carissa macrocarpa
                                                   [Arduina grandiflora]
                                                   [Arduina macrocarpa]
                                                   [Carissa africana]
                                                   [Carissa grandiflora]
                                                   [Carissa praetermissa]
                                                   [Jasminonerium africanum]
                                            Carissa opaca
                                            Carissa ovata
                                            Carissa spinarum
                                                   [Antura edulis]
                                                   [Antura hadiensis]
                                                   [Antura paucinervia]
                                                   [Arduina edulis]
                                                   [Azima pubescens]
                                                   [Carissa candolleana]
                                                   [Carissa cochinchinensis]
                                                   [Carissa cornifolia]
                                                   [Carissa dulcis]
                                                   [Carissa edulis f. continentalis]
                                                   [Carissa edulis f. pubescens]
                                                   [Carissa edulis f. typica]
                                                   [Carissa edulis var. major]
                                                   [Carissa edulis var. tomentosa]
                                                   [Carissa pilosa]
                                                   [Carissa pubescens]
                                                   [Carissa richardiana]
                                                   [Carissa tomentosa]
                                                   [Carissa villosa]
                                            Carissa tetramera
                                                   [Arduina tetramera]
                                    Carpodinopsis
                                    Carpodinus
                                            Carpodinus complicata
                                    Carruthersia
                                            Carruthersia pilosa
                                    Carvalhoa
                                            Carvalhoa campanulata
                                                   [Carvalhoa macrophylla]
                                                   [Carvalhoa petiolata]
                                    Cascabela
                                            Cascabela gaumeri
                                                   [Thevetia spathulata]
                                            Cascabela ovata
                                                   [Thevetia cuneifolia]
                                                   [Thevetia plumeriifolia]
                                            Cascabela pinifolia
                                                   [Thevetia peruviana var. pinifolia]
                                                   [Thevetia pinifolia]
                                            Cascabela thevetioides
                                                   [Thevetia yccotli]
                                    Catharanthus
                                            Catharanthus lanceus
                                            Catharanthus longifolius
                                            Catharanthus ovalis
                                            Catharanthus pusillus
                                                   [Vinca parviflora]
                                                   [Vinca pusilla]
                                            Catharanthus roseus
                                                   [Ammocallis rosea]
                                                   [Lochnera rosea var. alba]
                                                   [Lochnera rosea]
                                                   [Vinca guilelmi-waldemarii]
                                                   [Vinca rosea]
                                                   [Vinca speciosa]
                                              Catharanthus roseus var. angustus
                                              Catharanthus roseus var. roseus
                                            Catharanthus trichophyllus
                                    Caudanthera
                                            Caudanthera edulis
                                                   [Boucerosia edulis]
                                                   [Boucerosia stocksiana]
                                                   [Brachystelma subaphyllum]
                                                   [Caralluma edulis]
                                                   [Caralluma longidens]
                                                   [Caralluma mouretii]
                                                   [Caralluma vittata]
                                                   [Cryptolluma edulis]
                                                   [Lasiostelma subaphylla]
                                                   [Tenaris subaphylla]
                                            Caudanthera mireillae
                                                   [Caralluma mireillae]
                                    Cavinium
                                    Centrostemma
                                            Centrostemma multiflorum
                                    Cerbera
                                            Cerbera dilatata
                                            Cerbera floribunda
                                            Cerbera inflata
                                            Cerbera manghas
                                                   [Cerbera tanghin]
                                            Cerbera odollam
                                                   [Cerbera lactaria]
                                            Cerbera venenifera
                                    Cerberiopsis
                                            Cerberiopsis candelabra
                                    Ceropegia
                                           [Notechidnopsis]
                                           [Stapelianthus]
                                           [Tromotriche]
                                            Ceropegia abyssinica
                                                   [Ceropegia abyssinica var. abyssinica]
                                                   [Ceropegia abyssinica var. songeensis]
                                                   [Ceropegia bequaerti]
                                                   [Ceropegia bequaertii]
                                                   [Ceropegia bonafouxii var. linearifolia]
                                            Ceropegia achtenii
                                                   [Ceropegia achtenii subsp. achtenii]
                                                   [Ceropegia achtenii subsp. adolfii]
                                                   [Ceropegia achtenii subsp. togoensis]
                                            Ceropegia affinis
                                                   [Ceropegia angusta]
                                                   [Ceropegia atacorensis]
                                                   [Ceropegia biddumana]
                                                   [Ceropegia kamerunensis]
                                                   [Ceropegia racemosa subsp. glabra]
                                                   [Ceropegia racemosa subsp. racemosa]
                                                   [Ceropegia racemosa subsp. secamonoides]
                                                   [Ceropegia racemosa subsp. setifera]
                                                   [Ceropegia racemosa]
                                                   [Ceropegia ruspoliana]
                                            Ceropegia africana
                                              Ceropegia africana subsp. africana
                                              Ceropegia africana subsp. barklyi
                                                     [Ceropegia barklyi]
                                              Ceropegia africana subsp. barkyi
                                            Ceropegia ahmarensis
                                            Ceropegia albisepta
                                                   [Ceropegia albisepta var. albisepta]
                                                   [Ceropegia albisepta var. bruceana]
                                                   [Ceropegia albisepta var. robynsiana]
                                                   [Ceropegia evelynae]
                                                   [Ceropegia robynsiana]
                                                   [Ceropegia succulenta]
                                                   [Ceropegia viridis var. truncata]
                                                   [Ceropegia viridis var. viridis]
                                                   [Ceropegia viridis]
                                            Ceropegia ampliata
                                                   [Ceropegia ampliata subsp. ampliata]
                                                   [Ceropegia ampliata subsp. madagascariensis]
                                                   [Ceropegia ampliata subsp. oxyloba]
                                              Ceropegia ampliata var. oxyloba
                                            Ceropegia anceps
                                            Ceropegia angustata
                                                   [Brachystelma angustum]
                                            Ceropegia antennifera
                                            Ceropegia arabica
                                              Ceropegia arabica var. abbreviata
                                              Ceropegia arabica var. arabica
                                              Ceropegia arabica var. powysii
                                                     [Ceropegia powysii var. gigantica]
                                              Ceropegia arabica var. superba
                                            Ceropegia arenaria
                                            Ceropegia aristolochioides
                                              Ceropegia aristolochioides subsp. aristolochioides
                                                     [Ceropegia albertina]
                                                     [Ceropegia aristolochioides subsp. albertina]
                                                     [Ceropegia aristolochioides var. wittei]
                                                     [Ceropegia baringii]
                                                     [Ceropegia burgeri]
                                                     [Ceropegia crassula]
                                                     [Ceropegia erergotana]
                                                     [Ceropegia perrottetii]
                                                     [Ceropegia seticorona var. dilatiloba]
                                                     [Ceropegia seticorona var. seticorona]
                                                     [Ceropegia volubilis var. crassicaulis]
                                              Ceropegia aristolochioides subsp. deflersiana
                                            Ceropegia armandii
                                            Ceropegia arnottiana
                                            Ceropegia attenuata
                                            Ceropegia ballyana
                                                   [Ceropegia helicoides]
                                            Ceropegia banforae
                                                   [Brachystelma simplex subsp. banforae]
                                            Ceropegia barbigera
                                            Ceropegia barnesii
                                            Ceropegia batesii
                                            Ceropegia beccariana
                                            Ceropegia beddomei
                                            Ceropegia bhutanica
                                            Ceropegia bikitaensis
                                            Ceropegia bonafouxii
                                            Ceropegia borneensis
                                            Ceropegia bosseri
                                                   [Ceropegia razafindratsirana]
                                            Ceropegia bowkeri
                                                   [Ceropegia bowkeri subsp. bowkeri]
                                                   [Ceropegia bowkeri subsp. sororia]
                                            Ceropegia bulbosa
                                                   [Ceropegia brosima]
                                                   [Ceropegia humilis]
                                                   [Ceropegia vignaldiana]
                                            Ceropegia buraoensis
                                            Ceropegia caespitosa
                                              Ceropegia caespitosa subsp. caespitosa
                                                     [Duvalia caespitosa]
                                            Ceropegia caffra
                                            Ceropegia campanulata
                                              Ceropegia campanulata var. abinsica
                                                     [Ceropegia abinsica]
                                                     [Ceropegia hepburnii]
                                                     [Ceropegia tamalensis]
                                              Ceropegia campanulata var. campanulata
                                                     [Ceropegia dalzielii]
                                                     [Ceropegia kerstingii]
                                              Ceropegia campanulata var. porphyrotricha
                                              Ceropegia campanulata var. pulchella
                                            Ceropegia cancellata
                                                   [Cinclia cancellata]
                                            Ceropegia candelabrum
                                              Ceropegia candelabrum var. biflora
                                              Ceropegia candelabrum var. candelabrum
                                              Ceropegia candelabrum var. tuberosa
                                            Ceropegia carnosa
                                            Ceropegia cataphyllaris
                                            Ceropegia choanantha
                                                   [Tridentea choanantha]
                                            Ceropegia christenseniana
                                            Ceropegia chrysochroma
                                            Ceropegia ciliata
                                                   [Ceropegia ciliata subsp. ciliata]
                                            Ceropegia cimiciodora
                                            Ceropegia clavigera
                                              Ceropegia clavigera subsp. clavigera
                                                     [Huernia barbata]
                                                     [Huernia clavigera]
                                            Ceropegia claviloba
                                            Ceropegia columnaris
                                                   [Notechidnopsis columnaris]
                                            Ceropegia compta
                                                   [Piaranthus comptus]
                                            Ceropegia conrathii
                                            Ceropegia convolvuloides
                                            Ceropegia cordiloba
                                            Ceropegia cornuta
                                                   [Piaranthus pulcher var. nebrownii]
                                                   [Piaranthus pulcher]
                                            Ceropegia crassifolia
                                              Ceropegia crassifolia var. copleyae
                                                     [Ceropegia copleyae]
                                              Ceropegia crassifolia var. crassifolia
                                                     [Ceropegia crispata]
                                                     [Ceropegia thorncroftii]
                                                     [Ceropegia tuberculata]
                                            Ceropegia cufodontii
                                            Ceropegia cumingiana
                                              Ceropegia cumingiana subsp. cumingiana
                                              Ceropegia cumingiana subsp. horsfieldiana
                                            Ceropegia cycniflora
                                            Ceropegia cyperifolia
                                            Ceropegia damannii
                                            Ceropegia debilis
                                            Ceropegia decaisneana
                                              Ceropegia decaisneana var. brevicollis
                                              Ceropegia decaisneana var. decaisneana
                                            Ceropegia decaryana
                                                   [Stapelianthus decaryi]
                                            Ceropegia decidua
                                              Ceropegia decidua subsp. pretoriensis
                                              Ceropegia decidua var. decidua
                                            Ceropegia deightonii
                                                   [Ceropegia deightonii subsp. conjuncta]
                                                   [Ceropegia deightonii subsp. deightonii]
                                                   [Ceropegia deightonii subsp. tisserantii]
                                            Ceropegia denticulata
                                                   [Ceropegia denticulata var. brownii]
                                                   [Ceropegia denticulata var. denticulata]
                                            Ceropegia dichotoma
                                              Ceropegia dichotoma subsp. dichotoma
                                                     [Ceropegia hians var. hians]
                                                     [Ceropegia hians var. striata]
                                              Ceropegia dichotoma subsp. fusca
                                              Ceropegia dichotoma subsp. krainzii
                                                     [Ceropegia ceratophora]
                                                     [Ceropegia chrysantha]
                                                     [Ceropegia krainzii]
                                            Ceropegia dimorpha
                                            Ceropegia dinteri
                                            Ceropegia distincta
                                                   [Ceropegia brevirostris]
                                                   [Ceropegia distincta subsp. distincta]
                                              Ceropegia distincta var. brevirostris
                                              Ceropegia distincta var. distincta
                                                     [Ceropegia cyrtoidea]
                                              Ceropegia distincta var. rostrata
                                            Ceropegia dolichophylla
                                                   [Ceropegia longifolia subsp. sinensis]
                                            Ceropegia dorjei
                                            Ceropegia effusa
                                            Ceropegia elegans
                                              Ceropegia elegans var. elegans
                                              Ceropegia elegans var. gardneri
                                            Ceropegia ellenbeckii
                                            Ceropegia emdenpienaarii
                                            Ceropegia engleriana
                                                   [Tromotriche engleriana]
                                            Ceropegia ensifolia
                                                   [Ceropegia ciliata subsp. ensifolia]
                                            Ceropegia erectiflora
                                                   [Stapelia erectiflora]
                                            Ceropegia europaea
                                                   [Boucerosia maroccana]
                                              Ceropegia europaea var. judaica
                                                     [Caralluma aaronis]
                                            Ceropegia euryacme
                                            Ceropegia evansii
                                            Ceropegia exigua
                                                   [Ceropegia longifolia subsp. exigua]
                                            Ceropegia fantastica
                                            Ceropegia filicorona
                                            Ceropegia filiformis
                                                   [Ceropegia barbata]
                                            Ceropegia filipendula
                                                   [Ceropegia dichroantha]
                                                   [Ceropegia medoensis]
                                                   [Ceropegia mirabilis]
                                                   [Ceropegia peteri]
                                                   [Ceropegia renzii]
                                            Ceropegia fimbriata
                                              Ceropegia fimbriata subsp. connivens
                                              Ceropegia fimbriata subsp. fimbriata
                                              Ceropegia fimbriata subsp. geniculata
                                            Ceropegia fimbriifera
                                            Ceropegia floribunda
                                            Ceropegia foliosa
                                            Ceropegia fortuita
                                            Ceropegia furcata
                                            Ceropegia fusca
                                            Ceropegia fusiformis
                                            Ceropegia galeata
                                            Ceropegia geminata
                                              Ceropegia geminata subsp. geminata
                                                     [Piaranthus disparilis]
                                                     [Piaranthus foetidus var. purpureus]
                                                     [Piaranthus foetidus]
                                                     [Piaranthus globosus]
                                                     [Piaranthus pillansii var. fuscatus]
                                                     [Piaranthus pillansii]
                                            Ceropegia gilgiana
                                            Ceropegia gracilidens
                                            Ceropegia grandiflora
                                                   [Stapelia ambigua]
                                                   [Stapelia flavirostris]
                                            Ceropegia guttata
                                              Ceropegia guttata subsp. guttata
                                                     [Huernia guttata]
                                            Ceropegia gypsophila
                                            Ceropegia haygarthii
                                                   [Ceropegia tristis]
                                            Ceropegia hexagona
                                                   [Caralluma shadhbana]
                                            Ceropegia hians
                                            Ceropegia hirsuta
                                            Ceropegia hofstaetteri
                                            Ceropegia hookeri
                                                   [Ceropegia hookeri var. hookeri]
                                                   [Ceropegia hookeri var. mollis]
                                            Ceropegia humbertii
                                                   [Ceropegia mayottae]
                                            Ceropegia illegitima
                                            Ceropegia imbricata
                                                   [Ceropegia intracolor]
                                            Ceropegia inflata
                                            Ceropegia inornata
                                            Ceropegia insignis
                                            Ceropegia intermedia
                                              Ceropegia intermedia var. wightii
                                            Ceropegia jainii
                                            Ceropegia johnsonii
                                                   [Ceropegia lujai]
                                            Ceropegia juncea
                                            Ceropegia kaariyei
                                            Ceropegia kachinensis
                                            Ceropegia keniensis
                                            Ceropegia kituloensis
                                            Ceropegia konasita
                                            Ceropegia kundelunguensis
                                            Ceropegia laikipiensis
                                            Ceropegia langkawiensis
                                            Ceropegia lawii
                                                   [Ceropegia maccannii]
                                                   [Ceropegia panchganiensis]
                                                   [Ceropegia rollae]
                                                   [Ceropegia sahyadrica]
                                            Ceropegia ledermanii
                                            Ceropegia ledermannii
                                            Ceropegia leroyi
                                            Ceropegia lindenii
                                            Ceropegia linearis
                                              Ceropegia linearis subsp. debilis
                                              Ceropegia linearis subsp. linearis
                                                     [Ceropegia caffrorum var. dubia]
                                                     [Ceropegia caffrorum]
                                              Ceropegia linearis subsp. tenuis
                                              Ceropegia linearis subsp. woodii
                                                     [Ceropegia barbertonensis]
                                                     [Ceropegia collaricorona]
                                                     [Ceropegia hastata]
                                                     [Ceropegia leptocarpa]
                                                     [Ceropegia schoenlandii]
                                            Ceropegia linophylla
                                                   [Ceropegia senegalensis]
                                            Ceropegia linophyllum
                                            Ceropegia longifolia
                                                   [Ceropegia angustifolia]
                                              Ceropegia longifolia subsp. longifolia
                                            Ceropegia longirostris
                                            Ceropegia loranthiflora
                                            Ceropegia lucida
                                              Ceropegia lucida subsp. dryophila
                                              Ceropegia lucida subsp. lucida
                                            Ceropegia ludlowii
                                            Ceropegia lugardiae
                                                   [Ceropegia distincta f. pubescens]
                                                   [Ceropegia distincta subsp. lugardiae]
                                                   [Ceropegia verruculosa]
                                            Ceropegia macrantha
                                                   [Ceropegia macrantha subsp. macrantha]
                                                   [Ceropegia macrantha var. thorelii]
                                                   [Ceropegia raizadiana]
                                            Ceropegia macrocarpa
                                              Ceropegia macrocarpa subsp. macrocarpa
                                                     [Huernia macrocarpa var. arabica]
                                                     [Huernia macrocarpa var. penzigii]
                                                     [Huernia macrocarpa var. schweinfurthii]
                                                     [Huernia macrocarpa]
                                                     [Huernia penzigii]
                                            Ceropegia macroloba
                                              Ceropegia macroloba subsp. macroloba
                                                     [Rhytidocaulon macrolobum]
                                            Ceropegia macropetala
                                                   [Brachystelma macropetalum]
                                            Ceropegia maculata
                                            Ceropegia madagascariensis
                                            Ceropegia madens
                                            Ceropegia mafekingensis
                                            Ceropegia mahabalei
                                            Ceropegia mairei
                                                   [Ceropegia balfouriana]
                                                   [Ceropegia mairei var. mairei]
                                                   [Ceropegia mairei var. tenella]
                                            Ceropegia maiuscula
                                            Ceropegia manderensis
                                            Ceropegia marronina
                                            Ceropegia maughanii
                                                   [Pectinaria maughanii]
                                            Ceropegia media
                                            Ceropegia meleagris
                                            Ceropegia mendesii
                                            Ceropegia metziana
                                            Ceropegia meyeri
                                            Ceropegia meyeri-johannis
                                                   [Ceropegia meyeri-johannis var. angiensis]
                                                   [Ceropegia meyeri-johannis var. meyeri-johannis]
                                                   [Ceropegia meyeri-johannis var. verdickii]
                                            Ceropegia microgaster
                                            Ceropegia mixta
                                                   [Stapelia conspurcata]
                                                   [Stapelia deflexa]
                                                   [Stapelia marginata]
                                                   [Stapelia picta]
                                                   [Stapelia planiflora]
                                                   [Stapelia trisulca]
                                                   [Stapelia variegata var. atropurpurea]
                                                   [Stapelia variegata var. bufonia]
                                                   [Stapelia variegata var. picta]
                                            Ceropegia monticola
                                            Ceropegia muliensis
                                            Ceropegia multiflora
                                                  Ceropegia multiflora f. tentaculata
                                                         [Ceropegia tentaculata]
                                              Ceropegia multiflora subsp. multiflora
                                                     [Ceropegia multiflora f. pubescens]
                                                     [Ceropegia multiflora var. latifolia]
                                              Ceropegia multiflora subsp. tentaculata
                                                     [Ceropegia multiflora f. puberula]
                                            Ceropegia muzingana
                                            Ceropegia namuliensis
                                                   [Ceropegia tanzamalawiense]
                                            Ceropegia nana
                                            Ceropegia nigra
                                                   [Ceropegia kroboensis]
                                                   [Ceropegia melanops]
                                            Ceropegia nilotica
                                                   [Ceropegia decumbens]
                                                   [Ceropegia gemmifera]
                                                   [Ceropegia nilotica var. nilotica]
                                                   [Ceropegia plicata]
                                              Ceropegia nilotica var. plicata
                                            Ceropegia noorjahaniae
                                            Ceropegia nutans
                                            Ceropegia occidentalis
                                            Ceropegia occulta
                                              Ceropegia occulta var. occulta
                                            Ceropegia oculata
                                            Ceropegia odorata
                                                   [Ceropegia blatteri]
                                            Ceropegia ogadensis
                                            Ceropegia omissa
                                            Ceropegia pachystachya
                                            Ceropegia pachystelma
                                                   [Ceropegia boerhaaviifolia]
                                                   [Ceropegia pachystelma subsp. undulata]
                                                   [Ceropegia schinziana]
                                              Ceropegia pachystelma subsp. pachystelma
                                                     [Ceropegia acacietorum]
                                                     [Ceropegia obscura]
                                            Ceropegia paniculata
                                              Ceropegia paniculata subsp. paniculata
                                                     [Stapelia paniculata]
                                            Ceropegia paohsingensis
                                            Ceropegia papillata
                                                   [Ceropegia papillata var. cordiloba]
                                                   [Ceropegia papillata var. papillata]
                                            Ceropegia paricyma
                                                   [Ceropegia dentata]
                                                   [Ceropegia mutabilis]
                                            Ceropegia parviflora
                                            Ceropegia parvioriflora
                                              Ceropegia parvioriflora subsp. dependens
                                                     [Caralluma dependens]
                                            Ceropegia perangusta
                                                   [Duvalia angustiloba]
                                            Ceropegia petignatii
                                            Ceropegia peulhorum
                                              Ceropegia peulhorum var. breviloba
                                              Ceropegia peulhorum var. peulhorum
                                            Ceropegia pilifera
                                              Ceropegia pilifera subsp. pilifera
                                                     [Trichocaulon piliferum]
                                            Ceropegia poluniniana
                                            Ceropegia porphyrotricha
                                            Ceropegia powysii
                                            Ceropegia praetermissa
                                            Ceropegia pseudorhynchantha
                                            Ceropegia pubescens
                                            Ceropegia pulvinata
                                                   [Stapelia affinis]
                                                   [Stapelia asterias]
                                                   [Stapelia pulvinata]
                                                   [Stapelia sororia]
                                            Ceropegia punctata
                                                   [Stapelia punctata]
                                              Ceropegia punctata var. framesii
                                                     [Piaranthus framesii]
                                            Ceropegia purpurascens
                                                   [Ceropegia purpurascens subsp. thysanotos]
                                              Ceropegia purpurascens subsp. purpurascens
                                                     [Ceropegia kassneri]
                                                     [Ceropegia kwebensis]
                                            Ceropegia pusilla
                                            Ceropegia pygmaea
                                            Ceropegia radicans
                                              Ceropegia radicans subsp. radicans
                                              Ceropegia radicans subsp. smithii
                                            Ceropegia recurvata
                                            Ceropegia rendallii
                                              Ceropegia rendallii subsp. mutongaensis
                                              Ceropegia rendallii subsp. rendallii
                                            Ceropegia retrospiciens
                                                   [Caralluma retrospiciens]
                                            Ceropegia revoluta
                                                   [Tromotriche revoluta]
                                            Ceropegia rhychantha
                                            Ceropegia rhynchantha
                                            Ceropegia richardsiae
                                            Ceropegia ringens
                                                   [Ceropegia convolvulus]
                                                   [Ceropegia sinuata]
                                            Ceropegia ringoetii
                                                   [Ceropegia schlechteriana]
                                            Ceropegia rudatisii
                                            Ceropegia rufa
                                                   [Stapelia rufa]
                                            Ceropegia rupicola
                                              Ceropegia rupicola var. rupicola
                                              Ceropegia rupicola var. stictantha
                                            Ceropegia salicifolia
                                            Ceropegia sandersonii
                                            Ceropegia sankuruensis
                                                   [Ceropegia degemensis]
                                            Ceropegia santapaui
                                                   [Ceropegia huberi]
                                            Ceropegia saxatilis
                                            Ceropegia scabra
                                            Ceropegia schaijesiorum
                                            Ceropegia schumanniana
                                            Ceropegia semota
                                                   [Stapelia semota]
                                            Ceropegia sepium
                                            Ceropegia seticorona
                                            Ceropegia simoneae
                                            Ceropegia simplex
                                                   [Brachystelma simplex]
                                            Ceropegia sobolifera
                                                   [Ceropegia subtruncata]
                                              Ceropegia sobolifera var. nephroloba
                                              Ceropegia sobolifera var. sobolifera
                                            Ceropegia somalensis
                                                   [Ceropegia somalensis f. erostrata]
                                                   [Ceropegia somalensis f. somalensis]
                                            Ceropegia sootepensis
                                            Ceropegia speciosa
                                            Ceropegia spiralis
                                            Ceropegia splendida
                                            Ceropegia stapeliiformis
                                              Ceropegia stapeliiformis subsp. stapeliiformis
                                            Ceropegia stenantha
                                                   [Ceropegia angustiloba]
                                                   [Ceropegia infausta]
                                                   [Ceropegia mazoensis]
                                                   [Ceropegia quarrei]
                                                   [Ceropegia stenantha var. parviflora]
                                                   [Ceropegia tenuissima]
                                                   [Riocreuxia longiflora]
                                            Ceropegia stenoloba
                                                   [Ceropegia chortophylla]
                                                   [Ceropegia schliebenii]
                                                   [Ceropegia stenoloba var. australis]
                                                   [Ceropegia stenoloba var. moyalensis]
                                                   [Ceropegia stenoloba var. stenoloba]
                                              Ceropegia stenoloba var. schliebenii
                                            Ceropegia stentiae
                                            Ceropegia subaphylla
                                                   [Ceropegia botrys]
                                                   [Ceropegia nuda]
                                            Ceropegia swaziorum
                                            Ceropegia talbotii
                                            Ceropegia tanzaniensis
                                            Ceropegia taprobanica
                                            Ceropegia teniana
                                            Ceropegia thwaitesii
                                            Ceropegia tihamana
                                            Ceropegia tomentosa
                                                   [Ceropegia scabriflora]
                                            Ceropegia tourana
                                            Ceropegia trichantha
                                                   [Ceropegia angustilimba]
                                            Ceropegia tulipiflora
                                                   [Stapeliopsis saxatilis]
                                            Ceropegia tundavalensis
                                            Ceropegia turricula
                                            Ceropegia ugeni
                                            Ceropegia umbraticola
                                                   [Ceropegia chipiaensis]
                                                   [Ceropegia rostrata]
                                                   [Ceropegia schaijesorum]
                                                   [Ceropegia wellmannii]
                                            Ceropegia vaduliae
                                            Ceropegia vanderystii
                                                   [Ceropegia rara]
                                            Ceropegia variegata
                                                   [Ceropegia devecchii var. adelaidae]
                                                   [Ceropegia devecchii]
                                                   [Ceropegia variegata var. cornigera]
                                            Ceropegia verticillata
                                            Ceropegia vincifolia
                                                   [Ceropegia oculata var. subhirsuta]
                                                   [Ceropegia vincaefolia]
                                            Ceropegia volubilis
                                                   [Ceropegia dewevrei]
                                                   [Ceropegia scandens]
                                            Ceropegia wallichii
                                            Ceropegia woodiana
                                                   [Orbea woodii]
                                            Ceropegia woodii
                                            Ceropegia yampwapwa
                                            Ceropegia yorubana
                                            Ceropegia zambesiaca
                                            Ceropegia zeyheri
                                              Ceropegia stapeliiformis subsp. serpentina
                                                     [Ceropegia serpentina]
                                    Chamaeclitandra
                                            Chamaeclitandra henriquesiana
                                                   [Clitandra henriquesiana]
                                                   [Landolphia henriquesiana]
                                    Chilocarpus
                                            Chilocarpus obtusifolius
                                            Chilocarpus vernicosus
                                                   [Chilocarpus globuliferus]
                                    Chlorocodon
                                    Chlorocyathus
                                            Chlorocyathus monteiroae
                                                   [Raphionacme loandae]
                                                   [Raphionacme monteiroae]
                                    Chlorostelma
                                    Chonemorpha
                                            Chonemorpha fragrans
                                                   [Chonemorpha macrophylla]
                                                   [Chonemorpha penangensis]
                                            Chonemorpha splendens
                                            Chonemorpha verrucosa
                                                   [Rhynchodia wallichii]
                                    Christya
                                    Chthamalia
                                            Chthamalia brevicoronata
                                            Chthamalia chihuahuensis
                                            Chthamalia cynanchoides
                                            Chthamalia decumbens
                                            Chthamalia nummularia
                                                   [Gonolobus nummularius]
                                            Chthamalia parviflora
                                            Chthamalia pedunculata
                                                   [Gonolobus pedunculatus]
                                            Chthamalia producta
                                            Chthamalia prostrata
                                                   [Matelea prostrata]
                                            Chthamalia pubiflora
                                            Chthamalia tehuacana
                                    Cibirhiza
                                            Cibirhiza albersiana
                                            Cibirhiza spiculata
                                    Cionura
                                            Cionura erecta
                                                   [Marsdenia erecta]
                                    Clitandra
                                            Clitandra cymulosa
                                                   [Clitandra arnoldiana var. sereti]
                                                   [Clitandra arnoldiana]
                                                   [Clitandra elastica]
                                                   [Clitandra gilletii]
                                                   [Clitandra nzunde]
                                                   [Clitandra orientalis]
                                            Clitandra micrantha
                                            Clitandra simoni
                                    Colocrater
                                    Comularia
                                    Condylocarpon
                                            Condylocarpon amazonicum
                                            Condylocarpon guyanense
                                            Condylocarpon intermedium
                                              Condylocarpon intermedium subsp. intermedium
                                                     [Condylocarpon longii]
                                            Condylocarpon isthmicum
                                                   [Condylocarpon rauwolfiae var. tomentosum]
                                            Condylocarpon myrtifolium
                                            Condylocarpon pubiflorum
                                            Condylocarpon rauwolfiae
                                    Conodura
                                    Conomitra
                                            Conomitra linearis
                                                   [Glossonema lineare]
                                                   [Odontanthera linearis]
                                    Conopharyngia
                                            Conopharyngia usambarensis
                                    Cordylogyne
                                            Cordylogyne argillicola
                                    Corollonema
                                    Couma
                                            Couma arenicola
                                            Couma catingae
                                            Couma guianensis
                                            Couma macrocarpa
                                            Couma rigida
                                            Couma utilis
                                    Craterostemma
                                            Craterostemma sudanicum
                                                   [Lindernia sudanica]
                                            Craterostemma syncerus
                                                   [Lindernia syncerus]
                                    Crioceras
                                            Crioceras dipladeniiflorus
                                                   [Crioceras longiflorus]
                                                   [Tabernaemontana dipladeniiflora]
                                    Cryptolepis
                                            Cryptolepis africana
                                                   [Cryptolepis sinensis subsp. africana]
                                            Cryptolepis apiculata
                                            Cryptolepis buchananii
                                            Cryptolepis calophylla
                                                   [Omphalogonus calophyllus]
                                                   [Omphalogonus nigritanus]
                                                   [Parquetina calophylla]
                                            Cryptolepis cryptolepioides
                                                   [Ectadiopsis cryptolepioides]
                                            Cryptolepis decidua
                                                   [Curroria decidua subsp. decidua]
                                                   [Curroria decidua]
                                            Cryptolepis delagoensis
                                            Cryptolepis eburnea
                                                   [Mangenotia eburnea]
                                            Cryptolepis gillettii
                                                   [Curroria decidua subsp. gillettii]
                                            Cryptolepis gossweileri
                                            Cryptolepis hypoglauca
                                            Cryptolepis ibayensis
                                                   [Cryptolepis bifida]
                                            Cryptolepis laurentii
                                            Cryptolepis laxa
                                            Cryptolepis macrophylla
                                                   [Curroria macrophylla]
                                            Cryptolepis microphylla
                                            Cryptolepis migiurtina
                                                   [Curroria migiurtina]
                                            Cryptolepis nigrescens
                                                   [Omphalogonus nigricans]
                                                   [Parquetina gabonica]
                                                   [Parquetina nigrescens]
                                                   [Periploca afzelii]
                                                   [Periploca gabonica]
                                                   [Periploca nigricans]
                                                   [Periploca preussii]
                                                   [Periploca wildemanii]
                                            Cryptolepis nugaalensis
                                            Cryptolepis oblongifolia
                                                   [Cryptolepis angolensis]
                                                   [Cryptolepis brazzaei]
                                                   [Cryptolepis buxifolia]
                                                   [Cryptolepis debeerstii]
                                                   [Cryptolepis elliotii]
                                                   [Cryptolepis hensii]
                                                   [Cryptolepis linearis]
                                                   [Cryptolepis myrtifolia]
                                                   [Cryptolepis nigritana]
                                                   [Cryptolepis scandens]
                                                   [Cryptolepis sizenandii]
                                                   [Cryptolepis suffruticosa]
                                                   [Cryptolepis welwitschii var. luteola]
                                                   [Cryptolepis welwitschii]
                                                   [Ectadiopsis acutifolia]
                                                   [Ectadiopsis buettneri]
                                                   [Ectadiopsis lanceolata]
                                                   [Ectadiopsis myrtifolia]
                                                   [Ectadiopsis nigritana var. congesta]
                                                   [Ectadiopsis nigritana]
                                                   [Ectadiopsis oblongifolia]
                                                   [Ectadiopsis ruspolii]
                                                   [Ectadiopsis scandens]
                                                   [Ectadiopsis suffruticosa]
                                                   [Ectadiopsis welwitschii]
                                                   [Ectadium oblongifolium]
                                                   [Secamone acutifolia]
                                            Cryptolepis obtusa
                                            Cryptolepis orbicularis
                                            Cryptolepis ruspolii
                                            Cryptolepis sanguinolenta
                                                   [Cryptolepis barteri]
                                                   [Cryptolepis triangularis]
                                                   [Strophanthus radcliffei]
                                            Cryptolepis sinensis
                                                   [Cryptolepis elegans]
                                            Cryptolepis somaliensis
                                            Cryptolepis stefaninii
                                            Cryptolepis transvaalensis
                                    Cryptolluma
                                    Cryptostegia
                                            Cryptostegia grandiflora
                                                   [Cryptostegia grandifolia]
                                                   [Nerium grandiflorum]
                                            Cryptostegia madagascariensis
                                    Cufodontia
                                    Curroria
                                    Cyathostelma
                                    Cycladenia
                                            Cycladenia humilis
                                              Cycladenia humilis humilis
                                              Cycladenia humilis var. humilis
                                              Cycladenia humilis var. jonesii
                                                     [Cycladenia humilis var. jonesi]
                                                     [Cycladenia jonesii]
                                              Cycladenia humilis var. tomentosa
                                              Cycladenia humilis var. venusta
                                            Cycladenia tomentosa
                                            Cycladenia venusta
                                    Cyclocotyla
                                            Cyclocotyla congolensis
                                                   [Alafia vermeulenii]
                                                   [Cyclocotyla oligosperma]
                                    Cyclodon
                                            Cyclodon alabamense
                                    Cyclostigma
                                    Cylindropsis
                                            Cylindropsis parvifolia
                                                   [Clitandra parvifolia]
                                                   [Cylindropsis talbotii]
                                    Cynanchum
                                            Cynanchum abyssinicum
                                                   [Cynanchum abyssinicum var. tomentosum]
                                                   [Cynanchum holstii]
                                                   [Vincetoxicum holstii]
                                            Cynanchum acutum
                                              Cynanchum acutum subsp. sibiricum
                                                     [Cynanchum acutum var. longifolium]
                                                     [Cynanchum longifolium]
                                            Cynanchum adalinae
                                              Cynanchum adalinae subsp. adalinae
                                                     [Cynanchum congolense]
                                                     [Vincetoxicum adalinae]
                                              Cynanchum adalinae subsp. mannii
                                                     [Cynanchum dinklagei]
                                                     [Cynanchum mannii]
                                                     [Cynoctonum acuminatum]
                                                     [Vincetoxicum mannii]
                                            Cynanchum africanum
                                                   [Cynanchum pilosum]
                                                   [Cynoctonum crassifolium]
                                            Cynanchum albiflorum
                                                   [Cynanchum subpaniculatum]
                                            Cynanchum altiscandens
                                                   [Cynanchum mensense]
                                            Cynanchum anegadense
                                            Cynanchum angustifolium
                                            Cynanchum annularium
                                                   [Holostemma ada-kodien]
                                            Cynanchum arenarium
                                            Cynanchum ascyrifolium
                                                   [Vincetoxicum ascyrifolium]
                                            Cynanchum atratum
                                            Cynanchum atrovirens
                                                   [Metastelma atrovirens]
                                            Cynanchum auriculatum
                                                   [Endotropis auriculata]
                                            Cynanchum balense
                                            Cynanchum barbigerum
                                              Cynanchum barbigerum var. barbigerum
                                            Cynanchum blandum
                                                   [Rouliniella guianensis]
                                            Cynanchum blodgettii
                                            Cynanchum blyttioides
                                            Cynanchum boudieri
                                                   [Cynanchum taiwanianum]
                                              Cynanchum boudieri subsp. caudatum
                                                     [Cynanchum maximoviczii]
                                            Cynanchum boveanum
                                                   [Glossonema affine]
                                                   [Glossonema boveanum subsp. boveanum]
                                                   [Glossonema echinatum]
                                                   [Glossonema erlangeri]
                                                   [Glossonema gautieri var. titensis]
                                                   [Glossonema gautieri]
                                                   [Odontanthera boveana]
                                              Cynanchum boveanum subsp. boveanum
                                              Cynanchum boveanum subsp. nubicum
                                                     [Glossonema boveanum subsp. nubicum]
                                                     [Glossonema nubicum]
                                            Cynanchum bungei
                                            Cynanchum californicum
                                            Cynanchum callialata
                                            Cynanchum capense
                                            Cynanchum carnosum
                                            Cynanchum carolinense
                                            Cynanchum caudatum
                                            Cynanchum cheesmanii
                                            Cynanchum chinense
                                            Cynanchum clavidens
                                            Cynanchum contiguum
                                            Cynanchum corymbosum
                                            Cynanchum crassiantherae
                                            Cynanchum cubense
                                            Cynanchum cyathiforme
                                                   [Cynanchum racemosum var. cyathiforme]
                                            Cynanchum decaisneanum
                                            Cynanchum decaisnianum
                                              Cynanchum decaisnianum var. longicoronae
                                            Cynanchum ellipticum
                                                   [Bunburia elliptica]
                                            Cynanchum ephedroides
                                            Cynanchum erectum
                                            Cynanchum ethiopicum
                                                   [Pentarrhinum abyssinicum subsp. abyssinicum]
                                              Cynanchum ethiopicum subsp. angolense
                                                     [Pentarrhinum abyssinicum subsp. angolense]
                                                     [Pentarrhinum abyssinicum var. angolense]
                                              Cynanchum ethiopicum subsp. ethiopicum
                                            Cynanchum eurychitoides
                                            Cynanchum falcatum
                                            Cynanchum floribundum
                                            Cynanchum foetidum
                                            Cynanchum fuscatum
                                            Cynanchum galgalense
                                            Cynanchum gerrardii
                                                   [Cynanchum edule]
                                                   [Cynanchum sarcostemmatoides]
                                                   [Sarcocyphula gerrardii]
                                                   [Vincetoxicum sarcostemmoides]
                                              Cynanchum gerrardii subsp. gerrardii
                                              Cynanchum gerrardii subsp. ingae
                                              Cynanchum gerrardii subsp. lenewtonii
                                            Cynanchum gilbertii
                                                   [Metalepis prevostiae]
                                            Cynanchum glabrum
                                            Cynanchum gonoloboides
                                            Cynanchum grisebachianum
                                            Cynanchum guatemalense
                                            Cynanchum hastifolium
                                              Cynanchum hastifolium subsp. clavidens
                                                     [Cynanchum clavidens subsp. clavidens]
                                              Cynanchum hastifolium subsp. hastifolium
                                                     [Cynanchum clavidens subsp. hastifolium]
                                                     [Cynanchum macinense]
                                              Cynanchum hastifolium subsp. longirostrum
                                            Cynanchum hemsleyanum
                                                   [Metaplexis hemsleyana]
                                            Cynanchum heteromorphum
                                                   [Cynanchum fraternum]
                                                   [Cynanchum pleianthum]
                                            Cynanchum hirsutum
                                            Cynanchum insipidum
                                            Cynanchum insulanum
                                            Cynanchum jaliscanum
                                                   [Rouliniella jaliscana]
                                            Cynanchum japonicum
                                            Cynanchum kunthii
                                            Cynanchum kuznetzowi
                                            Cynanchum laeve
                                                   [Ampelamus albidus]
                                                   [Ampelamus laevis]
                                                   [Gonolobus laevis]
                                            Cynanchum lanhsuense
                                            Cynanchum latifolium
                                            Cynanchum laxum
                                            Cynanchum lenewtonii
                                            Cynanchum ligulatum
                                                   [Cynanchum sinaloense]
                                                   [Mellichampia ligulata]
                                                   [Mellichampia sinaloensis]
                                                   [Roulinia sinaloensis]
                                            Cynanchum lineare
                                            Cynanchum longipes
                                            Cynanchum louiseae
                                                   [Cynanchum nigrum]
                                                   [Vincetoxicum nigrum]
                                            Cynanchum luteifluens
                                              Cynanchum luteifluens var. luteifluens
                                            Cynanchum maccartii
                                                   [Cynanchum palmeri]
                                                   [Metastelma macropoda]
                                                   [Metastelma palmeri]
                                            Cynanchum macranthum
                                            Cynanchum maritimum
                                            Cynanchum meyeri
                                            Cynanchum miserum
                                            Cynanchum monense
                                            Cynanchum montevidense
                                                   [Roulinia fluminensis]
                                                   [Roulinia tamifolia]
                                            Cynanchum morilloi
                                            Cynanchum mossambicense
                                                   [Cynanchum complexum]
                                            Cynanchum mulanjense
                                                   [Cynanchum viminale subsp. mulanjense]
                                                   [Sarcostemma mulanjense]
                                            Cynanchum multiflorum
                                            Cynanchum natalitium
                                            Cynanchum northropiae
                                                   [Metastelma northropiae]
                                            Cynanchum obtusifolium
                                                   [Cynanchum obtusifolium var. pilosum]
                                                   [Cynoctonum brownii]
                                                   [Cynoctonum capense]
                                                   [Vincetoxicum capense]
                                                   [Vincetoxicum obtusifolium]
                                            Cynanchum orangeanum
                                                   [Flanagania orangeana]
                                            Cynanchum oresbium
                                                   [Sarcostemma oresbium]
                                            Cynanchum ovalifolium
                                                   [Vincetoxicum laeve]
                                            Cynanchum palustre
                                            Cynanchum pamirense
                                                   [Cynanchum stellatum]
                                            Cynanchum parviflorum
                                            Cynanchum pendulum
                                            Cynanchum peninsulare
                                            Cynanchum peraffine
                                            Cynanchum perrieri
                                            Cynanchum physocarpum
                                            Cynanchum pichinchense
                                            Cynanchum pichisermollianum
                                                   [Glossonema pichi-sermollianum]
                                            Cynanchum polyanthum
                                                   [Cynanchum obscurum]
                                                   [Cynanchum welwitschii]
                                                   [Periploca batesii]
                                            Cynanchum praecox
                                                   [Cynanchum pygmaeum]
                                            Cynanchum pringlei
                                                   [Cynanchum barbigerum var. breviflorum]
                                                   [Metastelma pringlei]
                                            Cynanchum pulchellum
                                                   [Raphistemma pulchellum]
                                            Cynanchum racemosum
                                                   [Roulinia jacquinii]
                                                   [Rouliniella columbiana]
                                              Cynanchum racemosum var. racemosum
                                              Cynanchum racemosum var. unifarium
                                                     [Gonolobus unifarius]
                                                     [Vincetoxicum saepimentorum]
                                            Cynanchum radians
                                                   [Asclepias radians]
                                                   [Odontanthera radians]
                                                   [Steinheilia radians]
                                            Cynanchum rensonii
                                                   [Cynanchum racemosum var. rensonii]
                                            Cynanchum resiliens
                                                   [Sarcostemma resiliens]
                                            Cynanchum revoilii
                                                   [Gilgia candida]
                                                   [Glossonema elliotii]
                                                   [Glossonema macrosepalum]
                                                   [Glossonema revoilii]
                                                   [Glossonema rivaei]
                                            Cynanchum riometense
                                            Cynanchum rioparanense
                                            Cynanchum rossicum
                                            Cynanchum rostellatum
                                            Cynanchum roulinioides
                                                   [Cynanchum contrapetalum]
                                            Cynanchum rubricoronae
                                            Cynanchum rungweense
                                            Cynanchum schistoglossum
                                                   [Cynanchum brevidens var. zambesiaca]
                                                   [Cynanchum brevidens]
                                                   [Cynanchum dewevrei]
                                                   [Cynanchum minutiflorum]
                                                   [Cynanchum vagum]
                                            Cynanchum scoparium
                                            Cynanchum sibiricum
                                            Cynanchum socotranum
                                                   [Sarcostemma socotranum]
                                            Cynanchum sodiroi
                                            Cynanchum somaliense
                                                   [Cynanchum dentatum]
                                                   [Cynanchum trifurcatum]
                                                   [Schizostephanus somaliense]
                                            Cynanchum stauntonii
                                            Cynanchum stepposum
                                            Cynanchum stoloniferum
                                                   [Sarcostemma stoloniferum]
                                            Cynanchum tenellum
                                            Cynanchum thesioides
                                                   [Antitoxicum sibiricum]
                                                   [Vincetoxicum sibiricum]
                                            Cynanchum thruppii
                                                   [Glossonema hispidum]
                                                   [Glossonema thruppii]
                                            Cynanchum tomentosum
                                            Cynanchum trianae
                                                   [Orthosia stenophylla]
                                            Cynanchum tuberculatum
                                            Cynanchum umtalense
                                            Cynanchum unifarium
                                            Cynanchum vanlessenii
                                                   [Sarcostemma subterranea]
                                                   [Sarcostemma vanlessenii]
                                            Cynanchum viminale
                                                   [Asclepias aphylla]
                                                   [Asclepias nuda]
                                                   [Cynanchum aphyllum]
                                                   [Cynanchum tetrapterum]
                                                   [Euphorbia viminalis]
                                                   [Sarcostemma andongense]
                                                   [Sarcostemma aphyllum]
                                                   [Sarcostemma tetrapterum]
                                                   [Sarcostemma viminale subsp. viminale]
                                              Cynanchum viminale subsp. australe
                                                     [Sarcostemma australe]
                                                     [Sarcostemma viminale subsp. australe]
                                              Cynanchum viminale subsp. brunonianum
                                                     [Sarcostemma brunonianum]
                                              Cynanchum viminale subsp. crassicaule
                                              Cynanchum viminale subsp. odontolepis
                                                     [Sarcostemma odontolepis]
                                                     [Sarcostemma viminale subsp. odontolepis]
                                              Cynanchum viminale subsp. stipitaceum
                                                     [Sarcostemma stipitaceum]
                                                     [Sarcostemma viminale subsp. stipitaceum]
                                              Cynanchum viminale subsp. stocksii
                                                     [Sarcostemma stocksii]
                                              Cynanchum viminale subsp. suberosum
                                                     [Sarcostemma viminale subsp. suberosum]
                                              Cynanchum viminale subsp. viminale
                                                     [Sarcostemma acidum]
                                              Cynanchum viminale subsp. welwitchii
                                                     [Sarcostemma welwitschii]
                                            Cynanchum vincetoxicum
                                            Cynanchum virens
                                            Cynanchum viride
                                            Cynanchum wigginsii
                                                   [Basistelma angustifolia]
                                                   [Metastelma mexicanum]
                                            Cynanchum wilfordii
                                            Cynanchum zeyheri
                                    Daemia
                                    Dalzielia
                                            Dalzielia oblanceolata
                                                   [Xysmalobium graniticola]
                                    Daturicarpa
                                    Decabelone
                                    Decalepis
                                            Decalepis hamiltonii
                                            Decalepis khasiana
                                                   [Pentanura khasiana]
                                    Decastelma
                                    Desmidorchis
                                            Desmidorchis foetida
                                                   [Caralluma foetida]
                                            Desmidorchis penicillata
                                                   [Boucerosia penicillata]
                                                   [Caralluma penicillata var. penicillata]
                                                   [Caralluma penicillata var. robusta]
                                                   [Caralluma penicillata]
                                                   [Caralluma robusta]
                                                   [Echidnopsis golathii]
                                                   [Echidnopsis penicillata]
                                                   [Golanthia penicillata]
                                            Desmidorchis retrospiciens
                                                   [Boucerosia acutangula]
                                                   [Boucerosia russeliana]
                                                   [Boucerosia tombuctuensis]
                                                   [Caralluma hirtiflora]
                                                   [Caralluma retrospiciens subsp. tombuctuensis]
                                                   [Caralluma retrospiciens var. acutangula]
                                                   [Caralluma retrospiciens var. glabra]
                                                   [Caralluma retrospiciens var. hirtiflora]
                                                   [Caralluma retrospiciens var. laxiflora]
                                                   [Caralluma retrospiciens var. tombuctuensis]
                                                   [Caralluma russeliana]
                                                   [Caralluma tombuctuensis]
                                                   [Desmidorchis acutangula]
                                            Desmidorchis speciosus
                                                   [Caralluma codonoides]
                                                   [Caralluma oxyodonta]
                                                   [Caralluma speciosa]
                                                   [Sarcocodon speciosus]
                                    Dewevrella
                                            Dewevrella cochliostema
                                    Dicentranthera
                                    Dichaelia
                                            Dichaelia forcipata
                                    Dictyanthus
                                            Dictyanthus aeneus
                                                   [Matelea aenea]
                                            Dictyanthus altatensis
                                            Dictyanthus asper
                                                   [Dictyanthus brachistanthus]
                                                   [Gonolobus littoralis]
                                                   [Matelea aspera]
                                                   [Microdactylon cordatum]
                                                   [Vincetoxicum megacarphum]
                                            Dictyanthus ceratopetalus
                                                   [Matelea ceratopetala]
                                            Dictyanthus eximius
                                                   [Matelea eximia]
                                            Dictyanthus hamatus
                                                   [Matelea hamata]
                                            Dictyanthus lautus
                                                   [Matelea lauta]
                                            Dictyanthus parviflorus
                                            Dictyanthus pavonii
                                            Dictyanthus prostratus
                                            Dictyanthus sepicola
                                            Dictyanthus tigrinus
                                                   [Matelea standleyana]
                                            Dictyanthus tuberosus
                                            Dictyanthus yucatanensis
                                                   [Matelea yucatanensis]
                                    Dictyophleba
                                            Dictyophleba leonensis
                                                   [Carpodinus macrophylla]
                                                   [Carpodinus nigerina]
                                            Dictyophleba lucida
                                                   [Landolphia dubrencquiana]
                                                   [Landolphia lucida]
                                                   [Pacouria lucida]
                                            Dictyophleba ochracea
                                                   [Dictyophleba ochracea var. breviflora]
                                                   [Dictyophleba ochracea var. glabrata]
                                                   [Landolphia ochracea var. glabrata]
                                                   [Landolphia ochracea]
                                            Dictyophleba rudens
                                            Dictyophleba setosa
                                            Dictyophleba stipulosa
                                                   [Landolphia stipulosa]
                                    Dipladenia
                                            Dipladenia x amabilis
                                                   [Mandevilla x amabilis]
                                    Diplolepis
                                            Diplolepis boerhaviifolia
                                            Diplolepis geminiflora
                                            Diplolepis hieronymi
                                            Diplolepis menziesii
                                            Diplolepis nummulariifolia
                                                   [Cynanchum nummulariifolium]
                                    Diplorhynchus
                                            Diplorhynchus condylocarpon
                                                   [Aspidosperma condylocarpon]
                                                   [Diplorhynchus angolensis]
                                                   [Diplorhynchus angustifolia]
                                                   [Diplorhynchus condylocarpon f. angustifolius]
                                                   [Diplorhynchus condylocarpon f. microphylla]
                                                   [Diplorhynchus condylocarpon subsp. angolensis]
                                                   [Diplorhynchus condylocarpon subsp. mossambicensis]
                                                   [Diplorhynchus condylocarpon var. psilopus]
                                                   [Diplorhynchus mossambicensis]
                                                   [Diplorhynchus poggei]
                                                   [Diplorhynchus psilopus]
                                    Diplostigma
                                    Dischidia
                                            Dischidia acuminata
                                            Dischidia acutifolia
                                            Dischidia albida
                                            Dischidia bengalensis
                                            Dischidia calva
                                            Dischidia chinensis
                                            Dischidia cleistantha
                                            Dischidia cornuta
                                            Dischidia diphylla
                                            Dischidia dohtii
                                            Dischidia dolichantha
                                            Dischidia formosana
                                            Dischidia fruticulosa
                                            Dischidia hahliana
                                            Dischidia hirsuta
                                            Dischidia imbricata
                                            Dischidia lanceolata
                                            Dischidia lancifolia
                                            Dischidia litoralis
                                            Dischidia luzonica
                                                   [Dischidiopsis luzonica]
                                            Dischidia major
                                                   [Dischidia rafflesiana]
                                            Dischidia merrillii
                                            Dischidia milnei
                                            Dischidia nummularia
                                            Dischidia oiantha
                                                   [Dischidia irosinensis]
                                            Dischidia ovata
                                            Dischidia parasitica
                                                   [Dischidiopsis parasitica]
                                            Dischidia puberula
                                            Dischidia purpurea
                                            Dischidia rosea
                                            Dischidia ruscifolia
                                            Dischidia sagittata
                                            Dischidia scortechinii
                                            Dischidia striata
                                            Dischidia superba
                                            Dischidia tonkinensis
                                            Dischidia tonsa
                                            Dischidia truncata
                                    Ditassa
                                            Ditassa albonerva
                                            Ditassa angustifolia
                                            Ditassa anomala
                                            Ditassa aquicymosa
                                            Ditassa banksii
                                                   [Ditassa umbellata]
                                            Ditassa bonariensis
                                            Ditassa burchellii
                                              Ditassa burchellii var. vestita
                                            Ditassa capillaris
                                            Ditassa caucana
                                            Ditassa crassa
                                            Ditassa crassifolia
                                            Ditassa decussata
                                            Ditassa edmundoi
                                            Ditassa endoleuca
                                            Ditassa eximia
                                                   [Ditassa apiculata]
                                            Ditassa fasciculata
                                            Ditassa glaziovii
                                            Ditassa hastata
                                            Ditassa hispida
                                                   [Ditassa consanguinea]
                                                   [Ditassa fulva]
                                                   [Ditassa rufescens]
                                            Ditassa hoehnei
                                            Ditassa lanceolata
                                            Ditassa longiloba
                                            Ditassa nigrescens
                                                   [Cynanchum tatei]
                                                   [Ditassa tatei]
                                            Ditassa obcordata
                                            Ditassa oxypetala
                                                   [Ditassa megapotamica]
                                            Ditassa oxyphylla
                                            Ditassa peruviana
                                            Ditassa pohliana
                                            Ditassa racemosa
                                            Ditassa retusa
                                            Ditassa taxifolia
                                            Ditassa tomentosa
                                    Doemia
                                    Domkeocarpa
                                    Dorystephania
                                    Drakebrockmania
                                    Dramsenia
                                    Dregea
                                            Dregea floribunda
                                                   [Marsdenia dregea]
                                                   [Pterophora dregea]
                                    Duvalia
                                            Duvalia eilensis
                                            Duvalia galgallensis
                                            Duvalia polita
                                                   [Duvalia polita var. parviflora]
                                                   [Duvalia polita var. transvaalensis]
                                                   [Duvalia transvaalensis var. parviflora]
                                                   [Duvalia transvaalensis]
                                            Duvalia sulcata
                                              Duvalia sulcata subsp. seminuda
                                                     [Duvalia sulcata var. seminuda]
                                              Duvalia sulcata subsp. somalensis
                                                     [Duvalia somalensis]
                                              Duvalia sulcata subsp. sudanensis
                                              Duvalia sulcata subsp. sulcata
                                    Dyera
                                            Dyera costulata
                                    Ecdysanthera
                                    Echidnopsis
                                            Echidnopsis angustiloba
                                            Echidnopsis archeri
                                                   [Echidnopsis similis]
                                            Echidnopsis ballyi
                                                   [Stapeliopsis ballyi]
                                            Echidnopsis bihendulensis
                                            Echidnopsis cereiformis
                                                   [Apteranthes tessellata]
                                                   [Boucerosia cylindrica]
                                            Echidnopsis chrysantha
                                              Echidnopsis chrysantha subsp. chrysantha
                                              Echidnopsis chrysantha subsp. filipes
                                                     [Echidnopsis chrysantha var. filipes]
                                            Echidnopsis ciliata
                                                   [Echidnopsis sharpei subsp. ciliata]
                                            Echidnopsis dammanniana
                                                   [Echidnopsis somalensis]
                                            Echidnopsis ericiflora
                                            Echidnopsis flavicorona
                                            Echidnopsis hirsuta
                                            Echidnopsis jacksonii
                                            Echidnopsis kohaioensis
                                            Echidnopsis leachii
                                                   [Echidnopsis oviflora]
                                            Echidnopsis malum
                                                   [Pseudopectinaria malum]
                                            Echidnopsis mijerteina
                                                   [Echidnopsis mijerteina var. marchandii]
                                            Echidnopsis montana
                                                   [Caralluma montana]
                                            Echidnopsis nubica
                                            Echidnopsis planiflora
                                            Echidnopsis plowesiana
                                            Echidnopsis radians
                                                   [Echidnopsis modesta]
                                            Echidnopsis repens
                                                   [Echidnopsis sharpei subsp. repens]
                                            Echidnopsis rubrolutea
                                            Echidnopsis scutellata
                                              Echidnopsis scutellata subsp. australis
                                                     [Echidnopsis mariae]
                                              Echidnopsis scutellata subsp. scutellata
                                            Echidnopsis sharpei
                                                   [Echidnopsis lavraniana]
                                              Echidnopsis sharpei subsp. bavazzanoi
                                                     [Echidnopsis bavazzanoi]
                                              Echidnopsis sharpei subsp. sharpei
                                            Echidnopsis thulinii
                                            Echidnopsis uraiqatiana
                                            Echidnopsis urceolata
                                                   [Echidnopsis specksii]
                                            Echidnopsis virchowii
                                                   [Echidnopsis stellata]
                                                   [Echidnopsis virchowii var. stellata]
                                            Echidnopsis watsonii
                                    Echites
                                            Echites agglutinata
                                            Echites angustifolius
                                            Echites asperoglottis
                                            Echites brachysiphon
                                            Echites caryophyllatus
                                            Echites difformis
                                            Echites echites
                                            Echites macrosiphon
                                            Echites puntarenensis
                                                   [Prestonia caudata]
                                            Echites speciosissimus
                                                   [Fernaldia speciosissima]
                                            Echites tubiflora
                                            Echites turbinatus
                                                   [Allotoonia turbinata]
                                            Echites turriger
                                            Echites turrigera
                                            Echites tuxtlensis
                                                   [Allotoonia tuxtlensis]
                                            Echites umbellatus
                                                   [Echites crassipes]
                                                   [Echites obliquus]
                                                   [Echites umbellata]
                                                   [Tabernaemontana echites]
                                            Echites woodsoniana
                                                   [Prestonia woodsoniana]
                                            Echites woodsonianus
                                                   [Allotoonia woodsoniana]
                                            Echites yucatanensis
                                                   [Echites elegantulus]
                                    Ecliptostelma
                                            Ecliptostelma molle
                                    Ectadiopsis
                                            Ectadiopsis producta
                                                   [Cryptolepis baumii]
                                                   [Cryptolepis producta]
                                    Ectadium
                                    Ectinocladus
                                    Edisonia
                                            Edisonia pubiflora
                                    Edithcolea
                                            Edithcolea grandis
                                                   [Edithcolea grandis var. baylissiana]
                                                   [Edithcolea sordida]
                                    Elytropus
                                            Elytropus chilensis
                                    Enslenia
                                    Ephippiocarpa
                                            Ephippiocarpa humilis
                                                   [Conopharyngia humilis]
                                    Epicion
                                            Epicion northropiae
                                    Epigynum
                                            Epigynum chinensis
                                            Epigynum griffithianum
                                                   [Epigynum maingayi]
                                    Epistemma
                                            Epistemma assianum
                                            Epistemma decurrens
                                            Epistemma neuerburgii
                                            Epistemma rupestre
                                    Ervatamia
                                            Ervatamia obtusiuscula
                                            Ervatamia orientalis
                                            Ervatamia polyneura
                                            Ervatamia pubescens
                                    Eustegia
                                            Eustegia filiformis
                                                   [Eustegia lonchitis]
                                    Excavatia
                                            Excavatia vitiensis
                                    Exolobus
                                    Farquharia
                                            Farquharia elliptica
                                                   [Aladenia jasminiflora]
                                                   [Alafia jasminiflora]
                                                   [Alafia mirabilis]
                                                   [Alafia velutina]
                                                   [Holalafia jasminiflora]
                                    Fernaldia
                                            Fernaldia asperoglottis
                                            Fernaldia brachypharynx
                                            Fernaldia glabra
                                            Fernaldia pandurata
                                                   [Echites panduratus]
                                                   [Echites pinguifolius]
                                                   [Mandevilla potosina]
                                    Fischeria
                                            Fischeria aequatorialis
                                            Fischeria billbergiana
                                            Fischeria blepharopetala
                                            Fischeria brachycalyx
                                            Fischeria columbiana
                                            Fischeria crispiflora
                                            Fischeria funebris
                                            Fischeria martiana
                                            Fischeria panamensis
                                            Fischeria scandens
                                                   [Fischeria alata]
                                                   [Fischeria briquetiana]
                                                   [Fischeria havanensis]
                                                   [Fischeria oaxacana]
                                            Fischeria stellata
                                                   [Fischeria calycina]
                                                   [Gonolobus martianus]
                                    Flanagania
                                    Fockea
                                            Fockea angustifolia
                                                   [Cynanchum omissum]
                                                   [Fockea mildbraedii]
                                            Fockea capensis
                                                   [Cynanchum crispum]
                                                   [Fockea crispa]
                                            Fockea cylindrica
                                            Fockea edulis
                                            Fockea multiflora
                                                   [Fockea schinzii]
                                    Folotsia
                                            Folotsia grandiflora
                                    Forsteronia
                                            Forsteronia acouci
                                                   [Forsteronia benthamiana]
                                            Forsteronia affinis
                                            Forsteronia amblybasis
                                            Forsteronia australis
                                            Forsteronia chiriquensis
                                            Forsteronia corymbosa
                                                   [Forsteronia portoricensis]
                                            Forsteronia duckei
                                            Forsteronia elachista
                                            Forsteronia glabrescens
                                            Forsteronia gracilis
                                            Forsteronia graciloides
                                            Forsteronia guyanensis
                                            Forsteronia laurifolia
                                            Forsteronia leptocarpa
                                                   [Forsteronia brasiliensis]
                                            Forsteronia mollis
                                            Forsteronia montana
                                                   [Forsteronia sellowii]
                                            Forsteronia myriantha
                                            Forsteronia pubescens
                                            Forsteronia refracta
                                            Forsteronia rufa
                                            Forsteronia schomburgkii
                                            Forsteronia spicata
                                                   [Forsteronia corylifolia]
                                                   [Thyrsanthus corylifolius]
                                            Forsteronia subcordata
                                            Forsteronia thyrsoidea
                                                   [Forsteronia multinervia]
                                                   [Forsteronia obscura]
                                                   [Forsteronia thyrsoidea var. glabriuscula]
                                            Forsteronia velloziana
                                                   [Forsteronia microphylla]
                                            Forsteronia viridescens
                                    Frerea
                                            Frerea indica
                                    Funastrum
                                            Funastrum angustifolium
                                            Funastrum angustissimum
                                                   [Sarcostemma angustissimum]
                                            Funastrum arenarium
                                                   [Sarcostemma arenarium]
                                            Funastrum bilobum
                                                   [Philibertella filipes]
                                                   [Sarcostemma bilobum subsp. bilobum]
                                                   [Sarcostemma bilobum]
                                            Funastrum clausum
                                                   [Apocynum proliferum]
                                                   [Asclepias clausa]
                                                   [Cynanchum clausum]
                                                   [Cynanchum mexicanum]
                                                   [Funastrum crassifolium]
                                                   [Funastrum cumanense]
                                                   [Funastrum dombeyanum]
                                                   [Funastrum fragile]
                                                   [Funastrum riparium]
                                                   [Funastrum seibertii]
                                                   [Philibertella clausa]
                                                   [Philibertella cumanensis]
                                                   [Philibertia clausa]
                                                   [Philibertia crassifolia]
                                                   [Philibertia viminalis]
                                                   [Sarcostemma bonariense]
                                                   [Sarcostemma brownii]
                                                   [Sarcostemma clausum]
                                                   [Sarcostemma crassifolium]
                                                   [Sarcostemma cumanense]
                                                   [Sarcostemma lineare]
                                            Funastrum crispum
                                                   [Philibertella crispa]
                                                   [Philibertia undulata]
                                                   [Sarcostemma crispum]
                                                   [Sarcostemma lobata]
                                                   [Sarcostemma lobatum]
                                                   [Sarcostemma undulatum]
                                            Funastrum cynanchoides
                                                   [Funastrum cynanchoides subsp. cynanchoides]
                                                   [Funastrum cynanchoides var. cynanchoides]
                                                   [Funastrum cynanchoides var. subtruncatum]
                                                   [Philibertella cynanchoides]
                                                   [Philibertia cynanchoides]
                                                   [Sarcostemma cynanchoides subsp. cynanchoides]
                                                   [Sarcostemma cynanchoides var. cynanchoides]
                                                   [Sarcostemma cynanchoides]
                                                   [Sarcostemma texanum]
                                            Funastrum elegans
                                                   [Funastrum bicolor]
                                                   [Philibertia bicolor]
                                                   [Philibertia elegans]
                                                   [Sarcostemma bicolor]
                                                   [Sarcostemma elegans]
                                            Funastrum ervendbergii
                                                   [Philibertia ervendbergii]
                                            Funastrum flavum
                                                   [Sarcostemma flavum]
                                            Funastrum glaucum
                                                   [Funastrum ovalifolium]
                                                   [Philibertella ovalifolia]
                                                   [Sarcostemma glaucum]
                                            Funastrum gracile
                                                   [Sarcostemma carpophylloides]
                                                   [Sarcostemma gracile]
                                            Funastrum heterophyllum
                                                   [Funastrum cynanchoides subsp. heterophyllum]
                                                   [Funastrum cynanchoides var. hartwegii]
                                                   [Funastrum hartwegii]
                                                   [Funastrum lineare]
                                                   [Philibertia heterophylla]
                                                   [Sarcostemma cynanchoides subsp. hartwegii]
                                                   [Sarcostemma cynanchoides var. hartwegii]
                                                   [Sarcostemma heterophyllum]
                                            Funastrum hirtellum
                                                   [Philibertia hirtella]
                                                   [Sarcostemma heterophyllum var. hirtellum]
                                                   [Sarcostemma hirtellum]
                                            Funastrum lindenianum
                                                   [Sarcostemma bilobum subsp. lindenianum]
                                                   [Sarcostemma lindenianum]
                                            Funastrum odoratum
                                                   [Sarcostemma odoratum]
                                            Funastrum pannosum
                                                   [Sarcostemma pannosum]
                                                   [Sarcostemma rotundifolium]
                                            Funastrum refractum
                                                   [Sarcostemma refractum]
                                            Funastrum torreyi
                                                   [Philibertia torreyi]
                                                   [Sarcostemma torreyi]
                                            Funastrum utahense
                                                   [Astephanus utahense]
                                                   [Astephanus utahensis]
                                                   [Cynanchum utahense]
                                    Funtumia
                                            Funtumia africana
                                                   [Kickxia africana]
                                                   [Kickxia congolana]
                                                   [Kickxia gilletii]
                                                   [Kickxia latifolia]
                                                   [Kickxia scheffleri]
                                                   [Kickxia zenkeri]
                                                   [Kixia africana]
                                            Funtumia elastica
                                                   [Kickxia elastica]
                                            Funtumia latifolia
                                    Gabunia
                                    Galactophora
                                            Galactophora colellana
                                            Galactophora crassifolia
                                            Galactophora pulchella
                                            Galactophora pumila
                                            Galactophora schomburgkiana
                                    Geissospermum
                                            Geissospermum argenteum
                                            Geissospermum excelsum
                                            Geissospermum laeve
                                            Geissospermum reticulatum
                                            Geissospermum sericeum
                                    Gilgia
                                    Glossonema
                                            Glossonema boveanum
                                    Golanthia
                                    Gomphocarpus
                                            Gomphocarpus abyssinicus
                                                   [Asclepias abyssinica]
                                                   [Asclepias euphorbioides]
                                            Gomphocarpus cancellatus
                                                   [Asclepias arborescens]
                                                   [Asclepias pubescens]
                                                   [Asclepias rotundifolia]
                                                   [Gomphocarpus arborescens]
                                            Gomphocarpus filiformis
                                                   [Asclepias buchenaviana]
                                            Gomphocarpus fruticosus
                                                   [Asclepias virgata]
                                              Gomphocarpus fruticosus subsp. decipiens
                                                     [Asclepias decipiens]
                                              Gomphocarpus fruticosus subsp. flavidus
                                                     [Asclepias flavida]
                                              Gomphocarpus fruticosus subsp. fruticosus
                                                     [Asclepias crassifolia]
                                                     [Asclepias crinita]
                                                     [Gomphocarpus cornutus]
                                                     [Gomphocarpus crinitus]
                                                     [Gomphocarpus frutescens]
                                                     [Gomphocarpus verticillatus]
                                              Gomphocarpus fruticosus subsp. rostratus
                                                     [Asclepias rostrata]
                                                     [Gomphocarpus rostratus]
                                              Gomphocarpus fruticosus subsp. setosus
                                                     [Gomphocarpus setosus]
                                            Gomphocarpus fruticous
                                            Gomphocarpus glaucophyllus
                                                   [Asclepias glaucophylla]
                                                   [Asclepias lilacina]
                                            Gomphocarpus integer
                                                   [Asclepias integra]
                                                   [Asclepias litocarpa]
                                                   [Asclepias negrii]
                                            Gomphocarpus kaessneri
                                                   [Asclepias kaessneri]
                                            Gomphocarpus munonquensis
                                                   [Asclepias munonquensis]
                                            Gomphocarpus phillipsiae
                                                   [Asclepias fruticosa var. angustissima]
                                                   [Asclepias phillipsiae]
                                                   [Gomphocarpus fruticosus var. angustissimus]
                                            Gomphocarpus praticola
                                                   [Asclepias friesii]
                                                   [Asclepias friessii]
                                                   [Asclepias moorei]
                                                   [Asclepias praticola]
                                            Gomphocarpus purpurascens
                                                   [Asclepias pubiseta]
                                                   [Gomphocarpus fruticosus var. purpureus]
                                            Gomphocarpus rivularis
                                                   [Asclepias rivularis]
                                            Gomphocarpus semiamplectens
                                                   [Asclepias semiamplectens]
                                            Gomphocarpus semilunatus
                                                   [Asclepias denticulata]
                                                   [Asclepias semilunata]
                                            Gomphocarpus sinaicus
                                            Gomphocarpus stenophyllus
                                                   [Asclepias leucocarpa]
                                            Gomphocarpus stolzianus
                                                   [Asclepias stolzianus]
                                            Gomphocarpus swynnertonii
                                                   [Asclepias nyikana]
                                                   [Asclepias swynnertonii]
                                            Gomphocarpus tenuifolius
                                                   [Asclepias rhodesica]
                                                   [Asclepias tenuifolia]
                                            Gomphocarpus tomentosus
                                              Gomphocarpus tomentosus subsp. frederici
                                                     [Asclepias frederici]
                                              Gomphocarpus tomentosus subsp. tomentosus
                                                     [Asclepias burchellii]
                                                     [Asclepias lanata]
                                                     [Asclepias nutans]
                                                     [Gomphocarpus fruticosus var. tomentosus]
                                                     [Gomphocarpus lanatus]
                                                     [Gomphocarpus nutans]
                                            Gomphocarpus × frederici
                                    Gonioma
                                            Gonioma kamassi
                                    Gonolobus
                                            Gonolobus acuminatus
                                            Gonolobus albiflorus
                                            Gonolobus albomarginatus
                                                   [Gonolobus allenii]
                                            Gonolobus aloiensis
                                            Gonolobus ancorifer
                                            Gonolobus ancoriferus
                                            Gonolobus antioquensis
                                            Gonolobus aristolochiifolius
                                                   [Fischeria aristolochiifolia]
                                                   [Gonolobus steyermarkii]
                                            Gonolobus arizonicus
                                                   [Lachnostoma arizonicum]
                                                   [Matelea arizonica]
                                            Gonolobus asper
                                            Gonolobus asterias
                                            Gonolobus atratus
                                            Gonolobus baldwynianus
                                            Gonolobus barbatus
                                            Gonolobus bifidus
                                            Gonolobus breedlovei
                                            Gonolobus calycosus
                                                   [Fimbristemma calycosa]
                                            Gonolobus caudatus
                                            Gonolobus chiapensis
                                                   [Vincetoxicum chiapense]
                                            Gonolobus chihuahuensis
                                            Gonolobus chiriquensis
                                                   [Vincetoxicum chiriquense]
                                            Gonolobus chloranthus
                                            Gonolobus chrysanthus
                                            Gonolobus cteniophorus
                                                   [Vincetoxicum lundellii]
                                                   [Vincetoxicum tortum]
                                            Gonolobus cuajayote
                                            Gonolobus cubensis
                                            Gonolobus cynanchoides
                                            Gonolobus dasystephanus
                                                   [Gonolobus donnellsmithianus]
                                                   [Vincetoxicum dasystephanum]
                                            Gonolobus denticulatus
                                            Gonolobus dussii
                                            Gonolobus edulis
                                                   [Gonolobus monnicheanus]
                                                   [Vincetoxicum edule]
                                            Gonolobus erianthus
                                            Gonolobus espejoi
                                            Gonolobus exannulatus
                                            Gonolobus fimbriatiflorus
                                            Gonolobus fraternus
                                            Gonolobus fuscoviolaceus
                                            Gonolobus fuscus
                                            Gonolobus glaberrimus
                                                   [Matelea tikalana]
                                            Gonolobus gonoloboides
                                            Gonolobus grandiflorus
                                            Gonolobus grayumii
                                            Gonolobus heterophyllus
                                                   [Gonolobus rothschuhii]
                                                   [Vincetoxicum rothschuhii]
                                            Gonolobus inaequalis
                                            Gonolobus incerianus
                                            Gonolobus iyanolensis
                                            Gonolobus jaliscensis
                                            Gonolobus lanugiflorus
                                            Gonolobus lasiostemma
                                            Gonolobus lasiostomus
                                            Gonolobus leianthus
                                                   [Vincetoxicum schippii]
                                            Gonolobus lewisii
                                            Gonolobus luridus
                                            Gonolobus luteolus
                                            Gonolobus macranthus
                                                   [Vincetoxicum propinquum]
                                            Gonolobus macrophyllus
                                            Gonolobus martinicensis
                                                   [Gonolobus scandens]
                                            Gonolobus naturalistae
                                            Gonolobus nemorosus
                                                   [Vincetoxicum nemorosum]
                                            Gonolobus niger
                                            Gonolobus obliquus
                                            Gonolobus ophioglossa
                                            Gonolobus parviflorus
                                              Gonolobus parviflorus var. brevicoronatus
                                            Gonolobus pectinatus
                                            Gonolobus peruanus
                                            Gonolobus pilosus
                                            Gonolobus prostratus
                                            Gonolobus reticulatus
                                            Gonolobus riparius
                                            Gonolobus roeanus
                                            Gonolobus rostratus
                                                   [Cynanchum rostratum]
                                                   [Exolobus patens]
                                                   [Gonolobus patens]
                                            Gonolobus sagittifolius
                                            Gonolobus salvinii
                                                   [Gonolobus longipetiolatus]
                                                   [Vincetoxicum salvinii]
                                            Gonolobus sandersii
                                            Gonolobus selloanus
                                            Gonolobus shortii
                                            Gonolobus sintenisii
                                            Gonolobus sororius
                                            Gonolobus stenanthus
                                              Gonolobus stenanthus subsp. stenanthus
                                                     [Vincetoxicum stenanthum]
                                              Gonolobus stenanthus subsp. yucatanensis
                                                     [Gonolobus yucatanensis]
                                            Gonolobus stenopetalus
                                            Gonolobus stenosepalus
                                                   [Fimbristemma stenosepala]
                                            Gonolobus stephanotrichus
                                            Gonolobus stramineus
                                            Gonolobus suberosus
                                                   [Gonolobus gonocarpos]
                                                   [Matelea gonocarpa]
                                                   [Matelea gonocarpos]
                                                   [Vincetoxicum gonocarpos]
                                              Gonolobus suberosus var. granulatus
                                                     [Gonolobus granulatus]
                                              Gonolobus suberosus var. suberosus
                                                     [Matelea suberosa]
                                                     [Matelea suberosus]
                                                     [Vincetoxicum suberosum]
                                            Gonolobus taylorianus
                                            Gonolobus tenuisepalus
                                            Gonolobus tingens
                                            Gonolobus tobagensis
                                            Gonolobus truncatifolius
                                            Gonolobus uniflorus
                                            Gonolobus ustulatus
                                            Gonolobus variabilis
                                            Gonolobus versicolor
                                            Gonolobus virescens
                                            Gonolobus volcanicus
                                            Gonolobus waitukubuliensis
                                            Gonolobus xanthotrichus
                                                   [Trichostelma ciliatum]
                                                   [Vincetoxicum xanthotrichum]
                                            Gonolobus youroumaynensis
                                    Gonostemon
                                            Gonostemon gettliffei
                                                   [Stapelia gettleffii]
                                    Gothofreda
                                            Gothofreda andina
                                    Goydera
                                    Guerkea
                                    Gymnanthera
                                            Gymnanthera oblonga
                                                   [Gymnanthera nitida]
                                    Gymnema
                                            Gymnema acuminatum
                                            Gymnema affine
                                            Gymnema alterniflorum
                                            Gymnema mohanramii
                                                   [Gymnema hirsutum]
                                            Gymnema sylvestre
                                                   [Asclepias geminata]
                                                   [Cynanchum lanceolatum]
                                                   [Cynanchum subvolubile]
                                                   [Gymnema humile]
                                                   [Gymnema subvolubile]
                                                   [Marsdenia sylvestris]
                                                   [Periploca sylvestris]
                                            Gymnema tingens
                                    Gymnolaema
                                    Haemadictyon
                                            Haemadictyon contortum
                                    Hancornia
                                            Hancornia speciosa
                                    Haplophyton
                                            Haplophyton cimicidum
                                              Haplophyton cimicidum var. cimicidum
                                              Haplophyton cimicidum var. crooksii
                                                     [Haplophyton crooksii]
                                            Haplophyton cinereum
                                    Hedranthera
                                    Hemidesmus
                                            Hemidesmus indicus
                                                   [Cosmostigma cordatum]
                                    Hemipogon
                                            Hemipogon acerosus
                                            Hemipogon luteus
                                            Hemipogon sprucei
                                    Heterostemma
                                            Heterostemma alatum
                                            Heterostemma oblongifolium
                                            Heterostemma piperifolium
                                    Heterothrix
                                    Himantostemma
                                    Himatanthus
                                            Himatanthus articulata
                                            Himatanthus articulatus
                                                   [Plumeria microcalyx]
                                            Himatanthus attenuatus
                                                   [Plumeria attenuata]
                                            Himatanthus bracteatus
                                                   [Plumeria bracteata]
                                            Himatanthus drasticus
                                                   [Himatanthus fallax]
                                            Himatanthus lancifolius
                                            Himatanthus obovatus
                                            Himatanthus phagedaenicus
                                            Himatanthus semilunatus
                                            Himatanthus sucuuba
                                                   [Plumeria sucuuba]
                                            Himatanthus tarapotensis
                                                   [Plumeria tarapotensis]
                                    Holalafia
                                    Holarrhena
                                            Holarrhena antidysenterica
                                            Holarrhena curtisii
                                            Holarrhena febrifuga
                                            Holarrhena floribunda
                                                   [Holarrhena congolensis]
                                              Holarrhena floribunda var. floribunda
                                              Holarrhena floribunda var. tomentella
                                                     [Holarrhena ovata]
                                            Holarrhena mitis
                                            Holarrhena pubescens
                                                   [Echites pubescens]
                                                   [Holarrhena fischeri]
                                                   [Holarrhena glaberrima]
                                                   [Holarrhena glabra]
                                                   [Holarrhena tettensis]
                                            Holarrhena wulfsbergii
                                    Holostemma
                                            Holostemma rheedei
                                    Hoodia
                                            Hoodia alstonii
                                            Hoodia annulata
                                            Hoodia bainii
                                            Hoodia cactiformis
                                            Hoodia colei
                                            Hoodia coleorum
                                            Hoodia currorii
                                              Hoodia currorii subsp. currorii
                                                     [Adenium namaquarium]
                                                     [Hoodia currorii var. minor]
                                                     [Scytanthus currorii]
                                              Hoodia currorii subsp. lugardii
                                            Hoodia delaetiana
                                            Hoodia delaetianum
                                            Hoodia dregei
                                            Hoodia felina
                                            Hoodia feline
                                            Hoodia flava
                                            Hoodia gibbosa
                                            Hoodia gordonii
                                                   [Hoodia dinteri]
                                                   [Hoodia husabensis]
                                                   [Hoodia langii]
                                                   [Hoodia rosea]
                                                   [Hoodia whitesloaneana]
                                            Hoodia grandis
                                            Hoodia haagnerae
                                            Hoodia juttae
                                                   [Hoodia bainii var. juttae]
                                            Hoodia longispina
                                            Hoodia lugardi
                                            Hoodia lugardii
                                            Hoodia macrantha
                                            Hoodia marlothii
                                            Hoodia meloformis
                                            Hoodia montana
                                            Hoodia mossamedensis
                                                   [Trichocaulon mossamedense]
                                            Hoodia officinalis
                                              Hoodia officinalis subsp. delaetiana
                                              Hoodia officinalis subsp. officinalis
                                            Hoodia parviflora
                                            Hoodia pedicellata
                                                   [Trichocaulon pedicellatum]
                                            Hoodia perlata
                                            Hoodia picta
                                            Hoodia pilifera
                                              Hoodia pilifera subsp. annulata
                                              Hoodia pilifera subsp. pilifera
                                              Hoodia pilifera subsp. pillansii
                                            Hoodia ruschii
                                            Hoodia rustica
                                            Hoodia similis
                                            Hoodia tirasmontana
                                            Hoodia triebneri
                                                   [Hoodia foetida]
                                    Hoodiopsis
                                            Hoodiopsis triebneri
                                    Hoya
                                            Hoya apoensis
                                            Hoya archboldiana
                                            Hoya australis
                                            Hoya betchei
                                            Hoya burtoniae
                                            Hoya carnosa
                                            Hoya caudata
                                            Hoya commutata
                                            Hoya cumingiana
                                            Hoya darwinii
                                            Hoya diversifolia
                                            Hoya edeni
                                            Hoya elmeri
                                            Hoya fusca
                                            Hoya imbricata
                                            Hoya imperialis
                                            Hoya incrassata
                                            Hoya kerrii
                                            Hoya keysii
                                            Hoya klossii
                                            Hoya lacunosa
                                            Hoya lanceolata
                                              Hoya lanceolata subsp. bella
                                                     [Hoya bella]
                                            Hoya latifolia
                                            Hoya linearis
                                                   [Hoya linearis var. sikkimensis]
                                            Hoya longifolia
                                            Hoya macgillivrayi
                                            Hoya manipurensis
                                                   [Dischidia obcordata]
                                            Hoya micrantha
                                            Hoya multiflora
                                            Hoya nicholsoniae
                                                   [Hoya samoensis]
                                            Hoya odorata
                                            Hoya parasitica
                                            Hoya parviflora
                                            Hoya pentaphlebia
                                            Hoya pottsii
                                            Hoya pubicalyx
                                            Hoya purpureo-fusca
                                            Hoya revoluta
                                            Hoya rizaliana
                                            Hoya tsangii
                                            Hoya verticillata
                                                   [Hoya ridleyi]
                                              Hoya verticillata var. citrina
                                                     [Hoya citrina]
                                    Huernia
                                            Huernia andreaeana
                                                   [Duvalia andreaeana]
                                            Huernia archeri
                                            Huernia aspera
                                            Huernia boleana
                                            Huernia campanulata
                                                   [Stapelia campanulata]
                                            Huernia cashelensis
                                            Huernia concinna
                                            Huernia delicata
                                            Huernia distincta
                                            Huernia engleri
                                            Huernia erectiloba
                                            Huernia erinacea
                                            Huernia formosa
                                            Huernia hislopii
                                            Huernia humpatana
                                            Huernia hystrix
                                              Huernia hystrix subsp. hystrix
                                                     [Huernia appendiculata]
                                                     [Huernia hystrix var. appendiculata]
                                            Huernia keniensis
                                              Huernia keniensis var. globosa
                                              Huernia keniensis var. grandiflora
                                              Huernia keniensis var. keniensis
                                              Huernia keniensis var. molonyae
                                              Huernia keniensis var. nairobiensis
                                              Huernia keniensis var. quintitia
                                            Huernia kirkii
                                                   [Huernia bicampanulata]
                                            Huernia lavranii
                                            Huernia leachii
                                            Huernia lenewtonii
                                            Huernia levyi
                                            Huernia longituba
                                            Huernia lopanthera
                                            Huernia nigeriana
                                            Huernia occulta
                                            Huernia oculata
                                                   [Huernia rogersii]
                                            Huernia primulina
                                            Huernia procumbens
                                                   [Duvalia procumbens]
                                            Huernia pulchra
                                            Huernia recondita
                                            Huernia schneideriana
                                            Huernia similis
                                            Huernia somalica
                                            Huernia sudanensis
                                            Huernia tanganyikensis
                                                   [Ceropegia tanganyikense]
                                                   [Duvalia tanganyikensis]
                                            Huernia urceolata
                                            Huernia verekeri
                                            Huernia volkartii
                                            Huernia zebrina
                                              Huernia zebrina subsp. zebrina
                                                     [Huernia blackbeardiae]
                                                     [Huernia zebrina subsp. magniflora]
                                                     [Huernia zebrina var. magniflora]
                                    Hunteria
                                            Hunteria ballayi
                                                   [Pleuranthemum ballayi]
                                            Hunteria camerunensis
                                                   [Comularia camerunensis]
                                                   [Pleiocarpa camerunensis]
                                                   [Polyadoa camerunensis]
                                            Hunteria congolana
                                            Hunteria densiflora
                                            Hunteria ghanensis
                                            Hunteria hexaloba
                                                   [Tetradoa hexaloba]
                                            Hunteria maasiorum
                                            Hunteria macrosiphon
                                            Hunteria myriantha
                                            Hunteria oxyantha
                                            Hunteria simii
                                                   [Picralima laurifolia]
                                                   [Polyadoa simii]
                                                   [Tetradoa simii]
                                            Hunteria umbellata
                                                   [Carpodinus umbellata]
                                                   [Hunteria eburnea]
                                                   [Hunteria elliotii]
                                                   [Hunteria mayumbensis]
                                                   [Picralima elliotii]
                                                   [Picralima gracilis]
                                                   [Picralima umbellata]
                                                   [Polyadoa elliotii]
                                                   [Polyadoa umbellata]
                                            Hunteria zeylanica
                                                   [Cameraria zeylanica]
                                                   [Hunteria africana]
                                                   [Hunteria corymbosa var. genuina]
                                                   [Hunteria corymbosa var. roxburghiana]
                                                   [Hunteria corymbosa var. zeylanica]
                                                   [Hunteria corymbosa]
                                                   [Hunteria roxburghiana]
                                                   [Hunteria zeylanica var. africana]
                                                   [Hunteria zeylanica var. salicifolia]
                                                   [Tabernaemontana salicifolia]
                                    Hylacium
                                    Ibatia
                                           [Pseudibatia]
                                            Ibatia cordata
                                                   [Gonolobus cordatus]
                                            Ibatia cumanensis
                                                   [Ibatia albiflora]
                                                   [Matelea cumanensis]
                                                   [Matelea fimbriata]
                                            Ibatia elliptica
                                                   [Gonolobus ellipticus]
                                            Ibatia fiebrigii
                                                   [Matelea argentinensis]
                                            Ibatia foetida
                                                   [Gonolobus foetidus]
                                            Ibatia ganglinosa
                                                   [Pseudibatia ganglinosa]
                                            Ibatia maritima
                                                   [Gonolobus cearensis]
                                                   [Gonolobus maritimus]
                                            Ibatia marsdenioides
                                                   [Matelea marsdenioides]
                                            Ibatia mollis
                                            Ibatia rubra
                                                   [Matelea rubra]
                                                   [Omphalophthalma rubra]
                                    Iboga
                                    Ichnocarpus
                                            Ichnocarpus frutescens
                                                   [Carruthersia daronensis]
                                                   [Ichnocarpus ovatifolius]
                                                   [Ichnocarpus volubilis]
                                              Ichnocarpus frutescens var. pubescens
                                    Isonema
                                            Isonema buchholzii
                                            Isonema infundibuliflorum
                                            Isonema smeathmanni
                                            Isonema smeathmannii
                                    Jacaima
                                            Jacaima costata
                                                   [Poicilla costata]
                                    Jasminochyla
                                    Jasminonerium
                                    Jobinia
                                            Jobinia eulaxiflora
                                                   [Cynanchum eulaxiflorum]
                                            Jobinia formosa
                                                   [Cynanchum formosum]
                                            Jobinia latipes
                                                   [Cyathostelma latipes]
                                            Jobinia lindbergii
                                            Jobinia neei
                                                   [Cynanchum neei]
                                            Jobinia paranaensis
                                            Jobinia tarmensis
                                                   [Cynanchum tarmense]
                                            Jobinia tiarata
                                                   [Cynanchum tiaratum]
                                            Jobinia umbellata
                                                   [Vincetoxicum umbellatum]
                                    Kanahia
                                            Kanahia carlsbergiana
                                    Kibatalia
                                            Kibatalia blancoi
                                            Kibatalia laurifolia
                                                   [Trachelospermum laurifolium]
                                            Kibatalia maingayi
                                    Kopsia
                                            Kopsia arborea
                                                   [Kopsia pruniformis]
                                            Kopsia dasyrachis
                                            Kopsia flavida
                                                   [Kopsia triangularis]
                                            Kopsia fruticosa
                                                   [Cerbera fruticosa]
                                            Kopsia griffithii
                                            Kopsia lancibracteolata
                                            Kopsia longiflora
                                            Kopsia pauciflora
                                                   [Kopsia caudata var. glabra]
                                                   [Kopsia caudata]
                                            Kopsia singapurensis
                                    Lachnostoma
                                            Lachnostoma gonoloboides
                                            Lachnostoma hastulatum
                                            Lachnostoma marginatum
                                                   [Matelea marginata]
                                            Lachnostoma tigrinum
                                                   [Matelea humboldtiana]
                                                   [Phaeostemma tigrinum]
                                    Lacmellea
                                            Lacmellea aculeata
                                            Lacmellea arborescens
                                                   [Lacmellea peruviana]
                                              Lacmellea arborescens var. peruviana
                                            Lacmellea bahiensis
                                            Lacmellea densifoliata
                                            Lacmellea edulis
                                            Lacmellea floribunda
                                            Lacmellea gracilis
                                            Lacmellea lactescens
                                            Lacmellea microcarpa
                                            Lacmellea oblongata
                                                   [Lacmellea grandiflora]
                                            Lacmellea panamensis
                                                   [Zschokkea panamensis]
                                            Lacmellea pauciflora
                                            Lacmellea pygmaea
                                              Lacmellea pygmaea var. latifolia
                                            Lacmellea ramosissima
                                                   [Lacmellea klugii]
                                            Lacmellea speciosa
                                            Lacmellea standleyi
                                                   [Zschokkea standleyi]
                                            Lacmellea zamorae
                                    Lagarinthus
                                    Landolphia
                                            Landolphia angustisepala
                                            Landolphia anthonii
                                            Landolphia axillaris
                                            Landolphia boliviensis
                                            Landolphia breviloba
                                            Landolphia bruneelii
                                                   [Carpodinus bruneelii]
                                            Landolphia buchananii
                                                   [Clitandra buchananii]
                                                   [Clitandra kilimanjarica]
                                                   [Clitandra semlikiensis]
                                                   [Jasminochyla ugandensis]
                                                   [Landolphia cameronis]
                                                   [Landolphia kilimanjarica]
                                                   [Landolphia rogersii]
                                                   [Landolphia swynnertonii]
                                                   [Landolphia ugandensis]
                                            Landolphia calabarica
                                                   [Carpodinus calabarica]
                                                   [Landolphia bracteata]
                                            Landolphia camptoloba
                                                   [Carpodinus camptoloba]
                                                   [Carpodinus gracilis]
                                                   [Carpodinus leucantha]
                                                   [Clitandra gracilis]
                                            Landolphia capensis
                                            Landolphia congolensis
                                                   [Carpodinus congolensis]
                                                   [Carpodinus oxyanthoides]
                                                   [Carpodinus schlechteri]
                                                   [Carpodinus schlecteri]
                                                   [Carpodinus turbinata]
                                            Landolphia cuneifolia
                                            Landolphia dewevrei
                                                   [Clitandra brazzavillensis]
                                                   [Landolphia parvifolia var. johnstonii]
                                                   [Landolphia subterranea var. johnstonii]
                                                   [Landolphia talbotii]
                                            Landolphia droogmansiana
                                            Landolphia dulcis
                                                   [Carpodinus acida]
                                                   [Carpodinus baumannii]
                                                   [Carpodinus dulcis]
                                                   [Carpodinus flava]
                                                   [Carpodinus littoralis]
                                                   [Carpodinus oocarpa]
                                                   [Carpodinus parviflora]
                                                   [Carpodinus parvoflurus]
                                                   [Carpodinus pauciflora]
                                                   [Carpodinus tenuifolia]
                                                   [Clitandra oocarpa]
                                                   [Landolphia tenuifolia]
                                                   [Pacouria dulcis]
                                              Landolphia dulcis var. barteri
                                                     [Carpodinus barteri]
                                            Landolphia eminiana
                                            Landolphia ferrea
                                            Landolphia flavidiflora
                                                   [Aphanostylis flavidiflora]
                                                   [Carpodinus flavidiflora]
                                                   [Clitandra flavidiflora]
                                            Landolphia foretiana
                                                   [Carpodinus eetveldeana]
                                                   [Carpodinus foretiana]
                                                   [Carpodinus klaineana]
                                                   [Carpodinus klainei]
                                                   [Carpodinus rufinervis]
                                                   [Carpodinus sassandrae]
                                                   [Carpodinus verticillata]
                                            Landolphia glabra
                                                   [Carpodinus glabra]
                                                   [Carpodinus leptantha]
                                            Landolphia glandulosa
                                                   [Carpodinus glandulosa]
                                            Landolphia gossweileri
                                                   [Carpodinus goosweileri]
                                                   [Carpodinus gossweileri]
                                            Landolphia gummifera
                                                   [Vahea gummifera]
                                            Landolphia heudelotii
                                                   [Landolphia heudelotii var. diaguissae]
                                                   [Landolphia heudelotii var. djenge]
                                                   [Landolphia heudelotii var. tomentosa]
                                                   [Landolphia michelinii]
                                                   [Landolphia tomentosa]
                                                   [Landolphia traunii]
                                                   [Vahea heudelotii]
                                                   [Vahea tomentosa]
                                                   [Vahea traunii]
                                            Landolphia hirsuta
                                                   [Carpodinus hirsuta]
                                            Landolphia incerta
                                                   [Aphanostylis exserens]
                                                   [Aphanostylis laxiflora]
                                                   [Aphanostylis mannii]
                                                   [Carpodinus exserens]
                                                   [Carpodinus incerta]
                                                   [Carpodinus laxiflora]
                                                   [Clitandra cymulosa f. laxiflora]
                                                   [Clitandra gentilii]
                                                   [Clitandra laxiflora]
                                                   [Clitandra mannii]
                                            Landolphia jumellei
                                                   [Carpodinus alnifolia]
                                                   [Carpodinus fulva]
                                                   [Carpodinus globulifera]
                                                   [Carpodinus jumellei]
                                            Landolphia kirkii
                                                   [Clitandra stapfiana]
                                                   [Landolphia delagoensis]
                                                   [Landolphia dondeensis]
                                                   [Landolphia kirkii var. delagoensis]
                                                   [Landolphia kirkii var. dondeensis]
                                                   [Landolphia kirkii var. genuina]
                                                   [Landolphia polyantha]
                                                   [Vahea kirkii]
                                            Landolphia klainii
                                            Landolphia lanceolata
                                                   [Carpodinus lanceolata var. angustifolia]
                                                   [Carpodinus lanceolata var. latifolia]
                                                   [Carpodinus lanceolata]
                                                   [Landolphia hyogea]
                                                   [Landolphia hypogea]
                                                   [Landolphia subterranea]
                                            Landolphia landolphioides
                                                   [Carpodinus landolphioides]
                                                   [Clitandra landolphioides]
                                                   [Landolphia dawei var. multinervis]
                                                   [Landolphia dawei]
                                            Landolphia lecomtei
                                                   [Landolphia congolana]
                                            Landolphia leonensis
                                            Landolphia leptantha
                                                   [Aphanostylis leptantha]
                                                   [Clitandra leptantha]
                                            Landolphia letestui
                                                   [Clitandra letestui]
                                            Landolphia ligustrifolia
                                                   [Carpodinus iganda]
                                                   [Carpodinus jesperseni]
                                                   [Carpodinus ligustifolia]
                                                   [Carpodinus ligustrifolia var. angusta]
                                                   [Carpodinus ligustrifolia]
                                            Landolphia macrantha
                                                   [Carpodinus macrantha]
                                                   [Clitandra macrantha]
                                            Landolphia mannii
                                                   [Landolphia klainei]
                                            Landolphia maxima
                                                   [Carpodinus maximus]
                                            Landolphia membranacea
                                                   [Clitandra membranacea]
                                            Landolphia micrantha
                                                   [Clitandra elastica var. micrantha]
                                            Landolphia myrtifolia
                                                   [Landolphia sphaerocarpa]
                                            Landolphia nitidula
                                                   [Anthoclitandra nitida]
                                                   [Clitandra nitida]
                                            Landolphia noctiflora
                                            Landolphia obovata
                                            Landolphia owariensis
                                                   [Landolphia gentilii]
                                                   [Landolphia glaberrima]
                                                   [Landolphia humilis var. cordifolia]
                                                   [Landolphia humilis var. gracilis]
                                                   [Landolphia humilis var. umbrosa]
                                                   [Landolphia humilis]
                                                   [Landolphia kirkii var. owariensis]
                                                   [Landolphia leiocalyx]
                                                   [Landolphia mayumbensis]
                                                   [Landolphia miegeana]
                                                   [Landolphia nigerina]
                                                   [Landolphia owariensis var. djalonis]
                                                   [Landolphia owariensis var. droogmansiana]
                                                   [Landolphia owariensis var. gentilii]
                                                   [Landolphia owariensis var. glaberrima]
                                                   [Landolphia owariensis var. guineensis]
                                                   [Landolphia owariensis var. leiocalyx]
                                                   [Landolphia owariensis var. mayumbensis]
                                                   [Landolphia owariensis var. nigerina]
                                                   [Landolphia owariensis var. pierrei]
                                                   [Landolphia owariensis var. rubiginosa]
                                                   [Landolphia owariensis var. tomentella]
                                                   [Landolphia owariensis var. ubanghiensis]
                                                   [Landolphia pierrei]
                                                   [Landolphia stapfiana]
                                                   [Landolphia subturbinata]
                                                   [Landolphia tomentella var. gracilis]
                                                   [Landolphia tomentella var. lucens]
                                                   [Landolphia tomentella var. minor]
                                                   [Landolphia tomentella var. pulcherrima]
                                                   [Landolphia tomentella var. pumila]
                                                   [Landolphia tomentella var. rufescens]
                                                   [Landolphia tomentella var. subnuda]
                                                   [Landolphia tomentella]
                                                   [Landolphia turbinata]
                                                   [Pacouria owariensis]
                                                   [Paederia owariensis]
                                                   [Vahea owariensis]
                                            Landolphia parvifolia
                                                   [Landolphia claessensii]
                                                   [Landolphia kirkii var. parvifolia]
                                                   [Landolphia owariensis var. parvifolia]
                                                   [Landolphia parviflora]
                                                   [Pacouria parvifolia]
                                            Landolphia persooniana
                                            Landolphia petersiana
                                            Landolphia pyramidata
                                                   [Aphanostylis pyramidata]
                                                   [Landolphia squamosa]
                                            Landolphia reticulata
                                                   [Ancylobothrys reticulata]
                                            Landolphia robustior
                                                   [Anthoclitandra robustior]
                                                   [Carpodinus myriantha]
                                                   [Clitandra myriantha]
                                                   [Clitandra robustior]
                                            Landolphia rufescens
                                                   [Carpodinus rufescens]
                                            Landolphia senegalensis
                                            Landolphia stenogyna
                                                   [Carpodinus talbotii]
                                            Landolphia stolzii
                                            Landolphia subrepanda
                                                   [Carpodinus friabilis]
                                                   [Carpodinus subrepanda]
                                                   [Carpodinus trichanthera]
                                                   [Landolphia subrepanda var. latifolia]
                                            Landolphia thollonii
                                                   [Carpodinus chylorrhiza]
                                                   [Landolphia chylorrhiza]
                                                   [Landolphia parvifolia var. thollonii]
                                            Landolphia togolana
                                                   [Clitandra alba]
                                                   [Clitandra togoensis]
                                                   [Clitandra togolana]
                                                   [Cylindropsis togolana]
                                            Landolphia uniflora
                                                   [Carpodinus decipiens]
                                                   [Carpodinus uniflora]
                                            Landolphia verrucosa
                                            Landolphia villosa
                                                   [Carpodinus gentilii]
                                            Landolphia violacea
                                                   [Carpodinus bequaertii]
                                                   [Carpodinus violaceus]
                                            Landolphia watsoniana
                                                   [Carpodinus watsoniana]
                                                   [Cylindropsis watsoniana]
                                            Landolphia × utilis
                                                   [Carpodinus utilis]
                                                   [Clitandra laurifolia]
                                    Lanugia
                                    Larryleachia
                                           [Hoodia sociarum]
                                            Larryleachia cactiformis
                                            Larryleachia marlothii
                                            Larryleachia perlata
                                            Larryleachia picta
                                            Larryleachia tirasmontata
                                    Laseguea
                                            Laseguea erecta
                                    Lasiostelma
                                    Laubertia
                                            Laubertia boissieri
                                                   [Echites sanctae-martae]
                                                   [Laubertia sanctae-martae]
                                            Laubertia contorta
                                                   [Echites campanulatus]
                                                   [Laubertia pringlei]
                                                   [Prestonia langlassei]
                                                   [Streptotrachelus pringlei]
                                            Laubertia peninsularis
                                                   [Laubertia gentlei]
                                    Lavrania
                                            Lavrania haagnerae
                                    Laxoplumeria
                                            Laxoplumeria baehniana
                                            Laxoplumeria tessmannii
                                    Lepinia
                                            Lepinia ponapensis
                                    Lepiniopsis
                                            Lepiniopsis ternatensis
                                                   [Lepiniopsis philippinensis]
                                    Leptadenia
                                            Leptadenia arborea
                                                   [Cynanchum arboreum]
                                                   [Cynanchum heterophyllum]
                                                   [Leptadenia abyssinica]
                                                   [Leptadenia clavipes]
                                                   [Leptadenia delilei]
                                                   [Leptadenia forskalii]
                                                   [Leptadenia heterophylla]
                                                   [Leptadenia pallida]
                                                   [Leptadenia schimperiana]
                                            Leptadenia hastata
                                                   [Leptadenia lancifolia]
                                            Leptadenia lanceolata
                                                   [Caralluma corrugata]
                                                   [Caralluma rivae]
                                                   [Caralluma rosengrenii]
                                                   [Cynanchum hastatum]
                                                   [Cynanchum lancifolium]
                                                   [Cynanchum scabrum]
                                                   [Leptadenia cordata]
                                                   [Leptadenia lancifolia var. scabra]
                                                   [Sanguilluma socotrana]
                                                   [Tylophora incana]
                                              Leptadenia lanceolata subsp. lanceolata
                                              Leptadenia lanceolata subsp. meridionalis
                                                     [Leptadenia hastata subsp. meridionalis]
                                            Leptadenia madagascariensis
                                            Leptadenia pyrotechnica
                                                   [Cynanchum pyrotechnicum]
                                                   [Leptadenia gracilis]
                                                   [Leptadenia jacquemontiana]
                                                   [Leptadenia spartium]
                                                   [Microloma pyrotechnicum]
                                                   [Sarcostemma pyrotechnicum]
                                            Leptadenia reticulata
                                    Leptopharyngia
                                    Leuconotis
                                            Leuconotis anceps
                                            Leuconotis eugeniifolia
                                            Leuconotis griffithii
                                                   [Leuconotis maingayi]
                                                   [Leuconotis subavenis]
                                    Liedea
                                    Lithocaulon
                                    Lochnera
                                    Luckhoffia
                                            Luckhoffia beukmanii
                                    Lyonsia
                                    Maclaudia
                                            Maclaudia felixii
                                    Macoubea
                                            Macoubea guianensis
                                            Macoubea mesoamericana
                                            Macoubea sprucei
                                    Macroditassa
                                    Macropelma
                                    Macropetalum
                                            Macropetalum burchellii
                                                   [Brachystelma burchellii var. burchellii]
                                                   [Brachystelma burchellii]
                                              Macropetalum burchellii var. burchellii
                                    Macropharynx
                                            Macropharynx colombiana
                                                   [Peltastes colombianus]
                                            Macropharynx isthmica
                                                   [Peltastes isthmicus]
                                            Macropharynx peruviana
                                                   [Peltastes peruvianus]
                                            Macropharynx renteriae
                                            Macropharynx spectabilis
                                                   [Macropharynx fistulosa]
                                    Macroscepis
                                           [Memora]
                                            Macroscepis diademata
                                                   [Gonolobus diadematus]
                                                   [Matelea diademata]
                                            Macroscepis obovata
                                            Macroscepis pleistantha
                                                   [Macroscepis congestiflora]
                                                   [Matelea congestiflora]
                                                   [Matelea pleistantha]
                                            Macroscepis rotata
                                            Macroscepis schreiteri
                                                   [Schubertia schreiteri]
                                            Macroscepis sinalobolana
                                            Macroscepis urceolata
                                    Macrosiphonia
                                            Macrosiphonia berlandieri
                                            Macrosiphonia dulcis
                                            Macrosiphonia hesperia
                                            Macrosiphonia hypoleuca
                                            Macrosiphonia lanuginosa
                                              Macrosiphonia lanuginosa var. lanuginosa
                                              Macrosiphonia lanuginosa var. macrosiphon
                                            Macrosiphonia longiflora
                                            Macrosiphonia macrosiphon
                                            Macrosiphonia petraea
                                            Macrosiphonia woodsoniana
                                    Malouetia
                                            Malouetia amplexicaulis
                                            Malouetia barbata
                                            Malouetia bequaertiana
                                                   [Malouetia brachyloba]
                                            Malouetia cestroides
                                                   [Malouetia arborea]
                                            Malouetia cubana
                                            Malouetia duckei
                                            Malouetia flavescens
                                                   [Malouetia mexiae]
                                                   [Malouetia schomburgkii]
                                            Malouetia furfuracea
                                            Malouetia glandulifera
                                            Malouetia gracilis
                                            Malouetia guatemalensis
                                                   [Malouetia panamensis]
                                                   [Stemmadenia guatemalensis]
                                            Malouetia heudelotii
                                                   [Malouetia africana]
                                            Malouetia killipii
                                            Malouetia lata
                                            Malouetia mildbraedii
                                                   [Alafia mildbraedii]
                                                   [Malouetiella mildbraedii]
                                                   [Malouetiella parviflora]
                                            Malouetia naias
                                            Malouetia nitida
                                            Malouetia quadricasarum
                                                   [Malouetia isthmica]
                                            Malouetia tamaquarina
                                                   [Malouetia peruviana]
                                                   [Malouetia tamaquarina var. minor]
                                    Malouetiella
                                    Mandevilla
                                            Mandevilla acutiloba
                                                   [Echites acutilobus]
                                                   [Mandevilla contrerasii]
                                                   [Mandevilla rosana]
                                            Mandevilla alexicaca
                                                   [Dipladenia tetradenia]
                                            Mandevilla amabilis
                                            Mandevilla andina
                                            Mandevilla andrieuxii
                                                   [Amblyanthera andrieuxii]
                                            Mandevilla angustifolia
                                            Mandevilla antennacea
                                            Mandevilla apocynifolia
                                                   [Echites apocynifolius]
                                            Mandevilla atroviolacea
                                            Mandevilla benthamii
                                            Mandevilla boliviensis
                                            Mandevilla brachyloba
                                                   [Amblyanthera brachyloba]
                                            Mandevilla brachysiphon
                                                   [Macrosiphonia brachysiphon]
                                                   [Telosiphonia brachysiphon]
                                            Mandevilla bracteata
                                                   [Mandevilla attenuata]
                                            Mandevilla callista
                                            Mandevilla campanulata
                                            Mandevilla cercophylla
                                            Mandevilla coccinea
                                            Mandevilla convolvulacea
                                                   [Echites convolvulaceus]
                                            Mandevilla cuspidata
                                                   [Dipladenia mollis]
                                            Mandevilla dardanoi
                                            Mandevilla donnell-smithii
                                            Mandevilla duartei
                                            Mandevilla emarginata
                                                   [Mandevilla erecta]
                                            Mandevilla exilicaulis
                                            Mandevilla foliosa
                                                   [Amblyanthera foliosa]
                                            Mandevilla funiformis
                                            Mandevilla glandulosa
                                            Mandevilla hesperia
                                            Mandevilla hirsuta
                                                   [Echites hirsuta]
                                                   [Echites hirsutus]
                                                   [Echites stadelmeyeri]
                                                   [Echites tomentosa]
                                                   [Echites tomentosus]
                                                   [Mandevilla denticulata]
                                                   [Mandevilla fluminensis]
                                                   [Mandevilla rusbyi]
                                                   [Mandevilla tomentosa]
                                            Mandevilla holosericea
                                                   [Echites holosericeus]
                                                   [Mandevilla sertuligera]
                                            Mandevilla hypoleuca
                                                   [Echites hypoleucus]
                                                   [Macrosiphonia wrightii]
                                            Mandevilla illustris
                                            Mandevilla immaculata
                                            Mandevilla karwinskii
                                                   [Echites coulteri]
                                            Mandevilla lancifolia
                                            Mandevilla lanuginosa
                                                   [Telosiphonia lanuginosa var. oaxacensis]
                                            Mandevilla laxa
                                                   [Echites laxa]
                                                   [Mandevilla bangii]
                                                   [Mandevilla bridgesii]
                                                   [Mandevilla grata]
                                                   [Mandevilla suaveolens]
                                            Mandevilla lobbii
                                            Mandevilla macrosiphon
                                            Mandevilla mexicana
                                                   [Echites smithii]
                                            Mandevilla microphylla
                                            Mandevilla mollissima
                                            Mandevilla montana
                                            Mandevilla moricandiana
                                            Mandevilla moritziana
                                            Mandevilla myriophyllum
                                            Mandevilla nacapulensis
                                            Mandevilla nerioides
                                            Mandevilla novocapitalis
                                            Mandevilla oaxacana
                                                   [Echites cordatus]
                                                   [Echites oaxacanus]
                                                   [Mandevilla schumanniana]
                                            Mandevilla oaxacensis
                                            Mandevilla pavonii
                                            Mandevilla pentlandiana
                                                   [Laseguea mandonii]
                                            Mandevilla petraea
                                                   [Macrosiphonia verticillata]
                                            Mandevilla pohliana
                                            Mandevilla polyantha
                                            Mandevilla pringlei
                                            Mandevilla pycnantha
                                            Mandevilla riparia
                                            Mandevilla rugellosa
                                                   [Echites boliviana]
                                            Mandevilla sagittarii
                                            Mandevilla sancta
                                            Mandevilla sanderi
                                            Mandevilla scaberula
                                            Mandevilla scabra
                                            Mandevilla scorpioidea
                                            Mandevilla sellowii
                                            Mandevilla speciosa
                                                   [Amblyanthera fendleri]
                                                   [Dipladenia fendleri]
                                                   [Mandevilla fendleri]
                                            Mandevilla spigeliiflora
                                                   [Dipladenia spigeliiflora]
                                            Mandevilla splendens
                                                   [Dipladenia splendens]
                                            Mandevilla stans
                                                   [Secondatia stans]
                                                   [Trachelospermum stans]
                                            Mandevilla steyermarkii
                                            Mandevilla subcarnosa
                                            Mandevilla subcordata
                                                   [Mandevilla oblongifolia]
                                            Mandevilla subsagittata
                                                   [Echites secundiflorus]
                                                   [Echites subsagittata]
                                                   [Echites subsagittatus]
                                            Mandevilla subsessilis
                                                   [Mandevilla mollis]
                                                   [Mandevilla platydactyla]
                                            Mandevilla syrinx
                                            Mandevilla tenuifolia
                                            Mandevilla torosa
                                                   [Echites torulosus]
                                              Mandevilla torosa var. coulteri
                                            Mandevilla trianae
                                            Mandevilla tubiflora
                                            Mandevilla urophylla
                                            Mandevilla vanheurckii
                                            Mandevilla vasquezii
                                            Mandevilla velame
                                                   [Macrosiphonia velame]
                                            Mandevilla velutina
                                            Mandevilla veraguasensis
                                            Mandevilla versicolor
                                            Mandevilla villosa
                                            Mandevilla virescens
                                                   [Macrosiphonia virescens]
                                    Mangenotia
                                    Marsdenia
                                            Marsdenia abyssinica
                                                   [Dregea abyssinica]
                                                   [Dregea africana]
                                                   [Hoya africana]
                                                   [Marsdenia abyssinica f. complicata]
                                                   [Marsdenia spissa]
                                                   [Pterygocarpus abyssinicus]
                                            Marsdenia altissima
                                            Marsdenia angolensis
                                                   [Gongronema angolense]
                                                   [Marsdenia gondarensis]
                                            Marsdenia asclepioidea
                                            Marsdenia astephanoides
                                                   [Cynanchum astephanoides]
                                                   [Vincetoxicum astephanoides]
                                            Marsdenia australis
                                            Marsdenia bourgeana
                                                   [Pseudomarsdenia bourgaeana]
                                            Marsdenia callosa
                                            Marsdenia carterae
                                            Marsdenia coulteri
                                            Marsdenia crinita
                                                   [Dregea crinita]
                                            Marsdenia cuixmalensis
                                            Marsdenia cundurango
                                            Marsdenia cynanchoides
                                            Marsdenia dussii
                                                   [Marsdenia dussi]
                                            Marsdenia edulis
                                            Marsdenia elliptica
                                            Marsdenia exellii
                                            Marsdenia faulknerae
                                                   [Dregea faulknerae]
                                            Marsdenia floribunda
                                            Marsdenia formosana
                                            Marsdenia fruticosa
                                                   [Nephradenia fruticosa]
                                            Marsdenia fusca
                                            Marsdenia gallardoae
                                            Marsdenia gilgiana
                                            Marsdenia griffithii
                                            Marsdenia gualanensis
                                            Marsdenia gymnemoides
                                            Marsdenia hiriartiana
                                            Marsdenia latifolia
                                                   [Gongronema latifolium]
                                                   [Marsdenia glabriflora var. orbicularis]
                                                   [Marsdenia glabriflora]
                                                   [Marsdenia leonensis]
                                                   [Marsdenia racemosa]
                                            Marsdenia laxiflora
                                            Marsdenia linearis
                                            Marsdenia longiflora
                                            Marsdenia macfadyenii
                                            Marsdenia macrantha
                                                   [Marsdenia zambesiaca]
                                                   [Periploca petersiana]
                                            Marsdenia macroglossa
                                            Marsdenia macrophylla
                                                   [Marsdenia maculata]
                                            Marsdenia magallanesiana
                                            Marsdenia magniflora
                                                   [Dramsenia grandiflora]
                                                   [Marsdenia grandiflora]
                                                   [Stephanotis grandiflora]
                                            Marsdenia mayana
                                            Marsdenia oaxacana
                                            Marsdenia obscura
                                                   [Gongronema obscurum]
                                            Marsdenia parvifolia
                                            Marsdenia peraffinis
                                            Marsdenia pringlei
                                            Marsdenia propinqua
                                            Marsdenia reichenbachii
                                            Marsdenia roylei
                                            Marsdenia rubicunda
                                                   [Dregea macrantha]
                                                   [Dregea rubicunda]
                                            Marsdenia schimperi
                                                   [Cynanchum schimperi]
                                                   [Dregea schimperi]
                                                   [Gymnema macrocarpum]
                                                   [Traunia albiflora]
                                            Marsdenia schlechteriana
                                            Marsdenia sinensis
                                                   [Dregea sinensis]
                                            Marsdenia stelostigma
                                                   [Dregea stelostigma]
                                                   [Marsdenia stefaninii]
                                                   [Stigmatorhynchus stelostigma]
                                            Marsdenia stenocentra
                                                   [Marsdenia villosa]
                                            Marsdenia taylorii
                                                   [Gongronema taylorii]
                                            Marsdenia tenacissima
                                            Marsdenia tinctoria
                                            Marsdenia tomentosa
                                            Marsdenia tressensii
                                            Marsdenia trivirgulata
                                            Marsdenia tubulosa
                                            Marsdenia umbellata
                                            Marsdenia undulata
                                                   [Marsdenia margaritaria]
                                            Marsdenia verrucosa
                                            Marsdenia vinciflora
                                            Marsdenia volubilis
                                                   [Dregea volubilis]
                                                   [Hoya viridiflora]
                                            Marsdenia woodburyana
                                            Marsdenia yunnanensis
                                                   [Dregea yunnanensis]
                                    Mascarenhasia
                                            Mascarenhasia arborescens
                                                   [Lanugia latifolia]
                                                   [Lanugia variegata]
                                                   [Mascarenhasia elastica]
                                                   [Mascarenhasia fischeri]
                                                   [Mascarenhasia micrantha]
                                                   [Mascarenhasia variegata]
                                            Mascarenhasia lisianthiflora
                                            Mascarenhasia speciosa
                                    Matelia
                                            Matelia stenopetala
                                    Melinia
                                    Mellichampia
                                            Mellichampia rubescens
                                    Melodinus
                                            Melodinus acutiflorus
                                                   [Melodinus acutus]
                                            Melodinus angustifolius
                                            Melodinus australis
                                                   [Chilocarpus australis]
                                            Melodinus baueri
                                            Melodinus cambodiensis
                                            Melodinus cochinchinensis
                                            Melodinus cumingii
                                                   [Melodinus apoensis]
                                            Melodinus forbesii
                                            Melodinus fusiformis
                                            Melodinus grandiflorus
                                            Melodinus hemsleyanus
                                            Melodinus khasianus
                                            Melodinus monogynus
                                            Melodinus orientalis
                                                   [Hunteria coriacea]
                                            Melodinus scandens
                                            Melodinus suaveolens
                                            Melodinus vitiensis
                                    Mesechites
                                            Mesechites acuminatus
                                            Mesechites angustifolius
                                            Mesechites repens
                                            Mesechites roseus
                                                   [Echites roseus]
                                            Mesechites trifidus
                                                   [Echites chloranthus]
                                    Metalepis
                                            Metalepis albiflora
                                            Metalepis cubensis
                                            Metalepis peraffinis
                                                   [Marsdenia matudae]
                                    Metaplexis
                                            Metaplexis japonica
                                    Metastelma
                                            Metastelma albiflora
                                            Metastelma albiflorum
                                            Metastelma anegadense
                                            Metastelma angustifolium
                                                   [Irmischia angustifolia]
                                            Metastelma arizonicum
                                                   [Cynanchum arizonicum]
                                              Metastelma arizonicum subsp. arizonicum
                                              Metastelma arizonicum subsp. chiapense
                                                     [Cynanchum chiapense]
                                                     [Metastelma chiapense]
                                                     [Metastelma collinum]
                                            Metastelma astephanoides
                                            Metastelma atrorubens
                                                   [Cynanchum atrorubens]
                                            Metastelma bahamense
                                                   [Cynanchum bahamense]
                                                   [Epicion bahamense]
                                            Metastelma barbadense
                                                   [Cynanchum barbadense]
                                            Metastelma barbigerum
                                              Metastelma barbigerum var. barbigerum
                                              Metastelma barbigerum var. liesnerianum
                                                     [Cynanchum liesneriana]
                                                     [Metastelma liesnerianum]
                                            Metastelma blodgettii
                                                   [Metastelma barbatum]
                                            Metastelma boldinghii
                                                   [Cynanchum boldinghii]
                                            Metastelma bonplandianum
                                                   [Amphistelma graminifolium]
                                                   [Cynanchum graminifolium]
                                            Metastelma brachymischum
                                            Metastelma brachystephanum
                                            Metastelma broadwayi
                                                   [Decastelma broadwayi]
                                            Metastelma californicum
                                              Metastelma californicum subsp. californicum
                                              Metastelma californicum subsp. lanceolatum
                                                     [Ditassa mexicana]
                                            Metastelma cubense
                                            Metastelma cuneatum
                                            Metastelma decaisneanum
                                            Metastelma decipiens
                                            Metastelma eliasianum
                                                   [Cynanchum infimicola]
                                            Metastelma ephedroides
                                            Metastelma fallax
                                            Metastelma gracile
                                            Metastelma grisebachianum
                                            Metastelma hamatum
                                            Metastelma harrisii
                                                   [Cynanchum harrisii]
                                            Metastelma inaguense
                                                   [Cynanchum inaguense]
                                            Metastelma jamaicense
                                                   [Cynanchum rendlei]
                                            Metastelma lanceolatum
                                            Metastelma latifolia
                                            Metastelma latifolium
                                            Metastelma leptocladon
                                                   [Amphistelma ephedroides]
                                                   [Cynanchum leptocladum]
                                            Metastelma leptocladum
                                            Metastelma leptophyllum
                                                   [Astephanus leptophyllus]
                                            Metastelma lineare
                                            Metastelma linearifolium
                                                   [Cynanchum savannarum]
                                            Metastelma longicoronatum
                                            Metastelma macropodum
                                            Metastelma martinicense
                                            Metastelma mathewsii
                                            Metastelma minutiflorum
                                                   [Cynanchum sonorense]
                                            Metastelma monense
                                            Metastelma multiflorum
                                            Metastelma oranensis
                                                   [Metastelma oranense]
                                            Metastelma parviflorum
                                                   [Cynanchum hartii]
                                                   [Cynanchum suberosum]
                                                   [Irmischia aristata]
                                                   [Metastelma aristatum]
                                                   [Metastelma campanulatum]
                                                   [Metastelma ovatum]
                                                   [Metastelma paralias]
                                                   [Metastelma suberosum]
                                            Metastelma pauciflorum
                                                   [Astephanus cubensis var. pauciflorus]
                                            Metastelma pedunculare
                                                   [Cynanchum woodsonianum]
                                            Metastelma penicillatum
                                                   [Cynanchum penicillatum]
                                            Metastelma priorii
                                                   [Cynanchum priorii]
                                            Metastelma pubipetalum
                                                   [Astephanus cubensis]
                                            Metastelma quitense
                                                   [Cynanchum quitense]
                                            Metastelma schaffneri
                                            Metastelma schlechtendalii
                                                   [Cynanchum schlechtendalii]
                                              Metastelma schlechtendalii var. arenicola
                                              Metastelma schlechtendalii var. schlechtendalii
                                              Metastelma schlechtendalii var. trichophyllum
                                                     [Cynanchum trichophyllum]
                                            Metastelma scoparium
                                            Metastelma sepicola
                                            Metastelma sepium
                                                   [Cynanchum sepium]
                                                   [Vincetoxicum sepium]
                                            Metastelma sigmoideum
                                                   [Cynanchum sigmoideum]
                                            Metastelma spruceanum
                                                   [Cynanchum spruceanum]
                                            Metastelma stenoglossum
                                            Metastelma stenomeres
                                                   [Cynanchum stenomeres]
                                            Metastelma stipitatum
                                                   [Cynanchum stipitatum]
                                            Metastelma thalamosiphon
                                            Metastelma thysanotum
                                            Metastelma trichophyllum
                                            Metastelma triodontum
                                            Metastelma turneri
                                            Metastelma virgatum
                                            Metastelma watsonianum
                                            Metastelma woodsonii
                                                   [Roulinia jamaicensis]
                                            Metastelma yucatanense
                                    Micrechites
                                            Micrechites serpyllifolia
                                                   [Trachelospermum philippinense]
                                    Microdactylon
                                    Microloma
                                            Microloma sagittatum
                                                   [Microloma glabratum]
                                            Microloma tenuifolium
                                                   [Microloma lineare]
                                    Microplumeria
                                            Microplumeria anomala
                                    Microstephanus
                                    Minaria
                                            Minaria acerosa
                                                   [Ditassa acerosa]
                                                   [Ditassa ericoides]
                                            Minaria cordata
                                            Minaria grazielae
                                                   [Astephanus grazielae]
                                            Minaria harleyi
                                                   [Barjonia harleyi]
                                            Minaria micromeria
                                                   [Ditassa micromeria]
                                    Miraglossum
                                            Miraglossum pulchellum
                                    Mitostigma
                                            Mitostigma latiflorum
                                    Molongum
                                            Molongum laxum
                                            Molongum lucidum
                                            Molongum zschokkeiforme
                                    Mondia
                                            Mondia ecornuta
                                                   [Chlorocodon ecornutus]
                                            Mondia whitei
                                                   [Chlorocodon whitei]
                                                   [Periploca latifolia]
                                                   [Periploca laxiflora]
                                                   [Tacazzea amplifolia]
                                                   [Tacazzea laxiflora]
                                                   [Tacazzea viridis]
                                    Monolluma
                                            Monolluma socotrana
                                                   [Boucerosia socotrana]
                                    Morleya
                                    Morrenia
                                            Morrenia grandiflora
                                            Morrenia odorata
                                    Mortoniella
                                            Mortoniella pittieri
                                                   [Morleya leipocalyx]
                                    Motandra
                                            Motandra guineensis
                                            Motandra lujaei
                                            Motandra paniculata
                                                   [Baissea guineensis]
                                                   [Echites guineensis]
                                                   [Echites paniculata]
                                                   [Motandra altissima]
                                                   [Motandra pyramidalis]
                                                   [Motandra rostrata]
                                            Motandra poecilophylla
                                                   [Motandra stapfiana]
                                    Mucoa
                                            Mucoa duckei
                                    Nanostelma
                                    Nautonia
                                            Nautonia nummularia
                                    Neisosperma
                                            Neisosperma brevituba
                                            Neisosperma oppositifolia
                                    Neobracea
                                            Neobracea bahamensis
                                            Neobracea howardii
                                            Neobracea valenzuelana
                                    Neocouma
                                            Neocouma ternstroemiacea
                                    Neoschumannia
                                            Neoschumannia cardinea
                                                   [Swynnertonia cardinea]
                                            Neoschumannia gishwatiensis
                                            Neoschumannia kamerunensis
                                    Nephradenia
                                            Nephradenia linearis
                                    Nerium
                                            Nerium oleander
                                                   [Nerium indicum subsp. kotschyi]
                                                   [Nerium indicum]
                                                   [Nerium kotschyi]
                                    Ochrosia
                                            Ochrosia ackeringae
                                                   [Ochrosia littoralis]
                                            Ochrosia apoensis
                                            Ochrosia bodenheimarum
                                            Ochrosia citrodora
                                                   [Neisosperma citrodora]
                                            Ochrosia compta
                                                   [Bleekeria compta]
                                                   [Ochrosia sandwicensis]
                                            Ochrosia elliptica
                                            Ochrosia ficifolia
                                                   [Neisosperma ficifolia]
                                            Ochrosia forbesii
                                            Ochrosia glomerata
                                            Ochrosia haleakalae
                                            Ochrosia hamakuaensis
                                            Ochrosia holei
                                            Ochrosia kauaiensis
                                            Ochrosia kilaueaensis
                                            Ochrosia kilneri
                                            Ochrosia konaensis
                                            Ochrosia kondoi
                                            Ochrosia lamoureuxii
                                            Ochrosia mariannensis
                                              Ochrosia mariannensis var. mariannensis
                                            Ochrosia microcalyx
                                            Ochrosia moorei
                                            Ochrosia oppositifolia
                                                   [Neisosperma oppositifolium]
                                            Ochrosia parviflora
                                            Ochrosia poweri
                                            Ochrosia syncarpa
                                            Ochrosia vitiensis
                                    Odontadenia
                                            Odontadenia funigera
                                            Odontadenia geminata
                                            Odontadenia hypoglauca
                                            Odontadenia killipii
                                                   [Odontadenia affinis]
                                            Odontadenia laxiflora
                                            Odontadenia lutea
                                            Odontadenia macrantha
                                                   [Odontadenia grandiflora]
                                            Odontadenia nitida
                                            Odontadenia perrottetii
                                            Odontadenia polyneura
                                                   [Rhabdadenia polyneura]
                                            Odontadenia puncticulosa
                                                   [Odontadenia boliviana]
                                                   [Odontadenia schippii]
                                                   [Odontadenia spoliata]
                                            Odontadenia semidigyna
                                                   [Odontadenia caudigera]
                                                   [Odontadenia hoffmannseggiana]
                                                   [Odontadenia speciosa]
                                            Odontadenia stemmadeniifolia
                                            Odontadenia verrucosa
                                                   [Odontadenia cognata]
                                                   [Odontadenia lauretiana]
                                    Odontanthera
                                    Odontostelma
                                    Odontostephana
                                            Odontostephana baldwyniana
                                            Odontostephana carolinensis
                                            Odontostephana flavidula
                                            Odontostephana floridana
                                            Odontostephana obliqua
                                            Odontostephana shortii
                                    Omphalogonus
                                    Omphalophthalma
                                    Oncinema
                                           [Glossostephanus]
                                            Oncinema lineare
                                                   [Glossostephanus linearis]
                                    Oncinotis
                                            Oncinotis batesii
                                            Oncinotis gabonica
                                            Oncinotis glabrata
                                                   [Motandra glabrata]
                                                   [Oncinotis glandulosa]
                                                   [Oncinotis jespersenii]
                                            Oncinotis gracilis
                                                   [Oncinotis chlorogena]
                                                   [Oncinotis malchairii]
                                                   [Oncinotis mitis]
                                                   [Oncinotis thyrsiflora]
                                            Oncinotis hirta
                                                   [Motandra welwitschiana]
                                            Oncinotis nitida
                                            Oncinotis paniculosa
                                            Oncinotis pontyi
                                                   [Oncinotis obovata]
                                                   [Oncinotis pontyi var. breviloba]
                                            Oncinotis tenuiloba
                                                   [Motandra erlangeri]
                                                   [Oncinotis chirindica]
                                                   [Oncinotis inandensis]
                                                   [Oncinotis natalensis]
                                                   [Oncinotis oblanceolata]
                                            Oncinotis tomentella
                                    Oncostemma
                                    Orbea
                                            Orbea baldratii
                                                   [Angolluma baldratii]
                                                   [Caralluma baldratii]
                                              Orbea baldratii subsp. baldratii
                                              Orbea baldratii subsp. somalensis
                                            Orbea carnosa
                                              Orbea carnosa subsp. carnosa
                                              Orbea carnosa subsp. keithii
                                                     [Caralluma carnosa]
                                                     [Caralluma fosteri]
                                                     [Caralluma keithii]
                                                     [Caralluma schweickerdtii]
                                                     [Pachycymbium keithii]
                                            Orbea caudata
                                              Orbea caudata subsp. caudata
                                                     [Caralluma caudata var. fusca]
                                                     [Caralluma caudata]
                                                     [Caralluma longecornuta]
                                                     [Caralluma praegracilis]
                                                     [Orbeopsis caudata]
                                            Orbea chibensis
                                                   [Caralluma caudata subsp. rhodesiaca]
                                                   [Caralluma caudata var. chibensis]
                                                   [Caralluma caudata var. milleri]
                                                   [Caralluma caudata var. stevensonii]
                                                   [Caralluma chibensis]
                                                   [Orbea caudata subsp. rhodesica]
                                            Orbea circes
                                                   [Angolluma circes]
                                                   [Caralluma circes]
                                                   [Pachycymbium circes]
                                            Orbea cooperi
                                                   [Stapelia cooperi]
                                                   [Stapeliopsis cooperi]
                                                   [Stultitia cooperi]
                                            Orbea decaisneana
                                                   [Angolluma decaisneana]
                                                   [Angolluma sudanensis]
                                                   [Angolluma venenosa]
                                                   [Boucerosia decaisneana]
                                                   [Caralluma decaisneana]
                                                   [Caralluma venenosa]
                                                   [Pachycymbium decaisneanum]
                                                   [Stapelia decaisneana]
                                              Orbea decaisneana subsp. decaisneana
                                              Orbea decaisneana subsp. hesperidum
                                                     [Angolluma hesperidum]
                                                     [Caralluma commutata subsp. hesperidum]
                                                     [Caralluma decaisneana subsp. hesperidum]
                                                     [Caralluma hesperidum]
                                                     [Pachycymbium decaisneanum subsp. hesperidum]
                                            Orbea denboefii
                                                   [Angolluma denboefii]
                                                   [Caralluma denboefii]
                                                   [Pachycymbium denboefii]
                                            Orbea distincta
                                                   [Angolluma distincta]
                                                   [Caralluma distincta]
                                                   [Pachycymbium distinctum]
                                            Orbea dummeri
                                                   [Angolluma dummeri]
                                                   [Caralluma dummeri]
                                                   [Pachycymbium dummeri]
                                                   [Stapelia dummeri]
                                            Orbea gemugofana
                                                   [Angolluma gemugofana]
                                                   [Caralluma gemugofana]
                                                   [Pachycymbium gemugofanum]
                                            Orbea gilbertii
                                                   [Angolluma gilbertii]
                                                   [Pachycymbium gilbertii]
                                            Orbea halipedicola
                                                   [Orbea halipedicola subsp. septentrionalis]
                                            Orbea huernioides
                                                   [Angolluma huernioides]
                                                   [Caralluma huernioides]
                                                   [Pachycymbium huernioides]
                                            Orbea huillensis
                                              Orbea huillensis subsp. huillensis
                                                     [Caralluma gossweileri]
                                                     [Caralluma huillensis]
                                                     [Orbeopsis gossweileri]
                                                     [Orbeopsis huillensis]
                                            Orbea laikipiensis
                                                   [Angolluma laikipiensis]
                                                   [Pachycymbium laikipiense]
                                            Orbea laticorona
                                                   [Angolluma laticorona]
                                                   [Angolluma nubica]
                                                   [Caralluma sprengeri subsp. laticorona]
                                                   [Pachycymbium laticoronum]
                                            Orbea longidens
                                                   [Stapelia longidens]
                                            Orbea lugardii
                                                   [Angolluma lugardii]
                                                   [Caralluma longicuspis]
                                                   [Caralluma lugardii]
                                                   [Pachycymbium lugardii]
                                            Orbea lutea
                                              Orbea lutea subsp. lutea
                                                     [Caralluma lateritia var. stevensonii]
                                                     [Caralluma lateritia var. vansonii]
                                                     [Caralluma lutea]
                                                     [Orbeopsis lutea subsp. lutea]
                                                     [Orbeopsis lutea]
                                              Orbea lutea subsp. vaga
                                            Orbea maculata
                                              Orbea maculata subsp. maculata
                                                     [Caralluma grandidens]
                                                     [Caralluma maculata]
                                            Orbea melanantha
                                                   [Caralluma melanantha]
                                            Orbea orientalis
                                                   [Orbea semota subsp. orientalis]
                                            Orbea paradoxa
                                                   [Stultitia paradoxa]
                                            Orbea rogersii
                                                   [Angolluma rogersii]
                                                   [Caralluma rogersii]
                                                   [Pachycymbium rogersii]
                                                   [Stapelia rogersii]
                                            Orbea sacculata
                                                   [Angolluma kochii]
                                                   [Angolluma sacculata]
                                                   [Caralluma kochii]
                                                   [Caralluma sacculata]
                                                   [Pachycymbium kochii]
                                                   [Pachycymbium sacculatum]
                                            Orbea schweinfurthii
                                                   [Angolluma schweinfurthii]
                                                   [Caralluma piaranthoides]
                                                   [Caralluma schweinfurthii]
                                                   [Pachycymbium schweinfurthii]
                                            Orbea semitubiflora
                                                   [Angolluma semitubiflora]
                                                   [Pachycymbium semitubiflorum]
                                            Orbea semota
                                                   [Stapelia discoidea]
                                                   [Stapelia kagerensis]
                                                   [Stapelia molonyae]
                                            Orbea sprengeri
                                                   [Angolluma sprengeri]
                                                   [Caralluma sprengeri]
                                                   [Huernia sprengeri]
                                                   [Pachycymbium sprengeri]
                                              Orbea sprengeri subsp. commutata
                                                     [Angolluma commutata]
                                                     [Caralluma commutata]
                                                     [Pachycymbium commutatum]
                                              Orbea sprengeri subsp. foetida
                                                     [Angolluma foetida]
                                                     [Caralluma sprengeri subsp. foetida]
                                                     [Pachycymbium sprengeri subsp. foetidum]
                                              Orbea sprengeri subsp. ogadensis
                                                     [Angolluma ogadensis]
                                                     [Caralluma sprengeri subsp. ogadensis]
                                                     [Pachycymbium sprengeri subsp. ogadense]
                                              Orbea sprengeri subsp. sprengeri
                                            Orbea subterranea
                                                   [Angolluma lenewtonii]
                                                   [Angolluma subterranea]
                                                   [Caralluma subterranea var. minutiflora]
                                                   [Caralluma subterranea]
                                                   [Pachycymbium baldratii subsp. subterraneum]
                                            Orbea taitica
                                                   [Angolluma doddsiae]
                                                   [Angolluma taitica]
                                            Orbea tubiformis
                                                   [Angolluma tubiformis]
                                                   [Caralluma tubiformis]
                                                   [Pachycymbium tubiforme]
                                            Orbea umbracula
                                                   [Stultitia umbracula]
                                            Orbea valida
                                              Orbea valida subsp. valida
                                                     [Caralluma valida]
                                                     [Orbeopsis valida]
                                            Orbea variegata
                                                   [Orbea bufonia]
                                            Orbea vibratilis
                                                   [Angolluma vibratilis]
                                                   [Caralluma vibratilis]
                                                   [Pachycymbium vibratilis]
                                            Orbea wilsonii
                                                   [Angolluma wilsonii]
                                                   [Caralluma wilsonii]
                                                   [Pachycymbium wilsonii]
                                    Orbeopsis
                                            Orbeopsis lateritia
                                                   [Caralluma lateritia]
                                                   [Caralluma vansonii]
                                            Orbeopsis matabelensis
                                            Orbeopsis pseudonebrownii
                                                   [Caralluma nebrownii var. pseudonebrownii]
                                                   [Caralluma pseudonebrownii]
                                              Orbeopsis pseudonebrownii var. discolor
                                                     [Caralluma nebrownii var. discolor]
                                            Orbeopsis rubra
                                            Orbeopsis sousae
                                                   [Caralluma melanantha var. sousae]
                                            Orbeopsis vaga
                                                   [Caralluma brownii]
                                                   [Caralluma hahnii]
                                                   [Caralluma lutea subsp. vaga]
                                                   [Caralluma vaga]
                                                   [Orbeopsis lutea subsp. vaga]
                                                   [Stapelia vaga]
                                    Orchipeda
                                    Orthandra
                                    Orthanthera
                                            Orthanthera albida
                                            Orthanthera butayei
                                                   [Ceropegia butayei]
                                            Orthanthera gossweileri
                                            Orthanthera jasminiflora
                                                   [Barrowia jasminiflora]
                                                   [Orthanthera browniana]
                                            Orthanthera stricta
                                            Orthanthera viminea
                                    Orthopichonia
                                            Orthopichonia barteri
                                                   [Clitandra barteri]
                                                   [Clitandra kabulu]
                                                   [Clitandra lacourtiana]
                                                   [Orthandra barteri]
                                                   [Orthandra lacourtiana]
                                                   [Orthopichonia lacourtiana]
                                            Orthopichonia cirrhosa
                                                   [Carpodinus cirilus]
                                                   [Carpodinus cirrhosa]
                                                   [Carpodinus cirrosa]
                                                   [Clitandra batesii]
                                                   [Clitandra cirrhosa]
                                                   [Orthandra batesii]
                                                   [Orthandra cirrhosa]
                                                   [Orthandra nigeriana]
                                                   [Orthopichonia batesii]
                                                   [Orthopichonia nigeriana]
                                            Orthopichonia indeniensis
                                                   [Clitandra eugenifolia]
                                                   [Clitandra indeniensis]
                                                   [Clitandra ivorensis]
                                                   [Clitandra longituba]
                                                   [Orthandra indeniensis]
                                                   [Orthandra longituba]
                                                   [Orthopichonia longituba]
                                            Orthopichonia schweinfurthii
                                                   [Clitandra mildbraedii]
                                                   [Clitandra schweinfurthii]
                                                   [Orthandra schweinfurthii]
                                            Orthopichonia seretii
                                                   [Clitandra seretii]
                                            Orthopichonia visciflua
                                                   [Clitandra schweinfurthii var. sclerophylla]
                                                   [Clitandra sclerophylla]
                                                   [Clitandra staudtii]
                                                   [Clitandra visciflua]
                                                   [Orthandra staudtii]
                                                   [Orthopichonia staudtii]
                                    Orthosia
                                            Orthosia angustifolia
                                                   [Orthosia kunthii]
                                            Orthosia bonplandiana
                                            Orthosia congesta
                                            Orthosia cynanchoides
                                            Orthosia florida
                                                   [Amphistelma aphyllum]
                                            Orthosia glaberrima
                                                   [Cynanchum glaberrimum]
                                            Orthosia guilleminiana
                                                   [Metastelma pallidum]
                                            Orthosia melantha
                                            Orthosia misera
                                            Orthosia parviflora
                                            Orthosia pearcei
                                                   [Amphistelma pearcei]
                                            Orthosia pubescens
                                                   [Astephanus pubescens]
                                                   [Metastelma pubescens]
                                            Orthosia ramosa
                                            Orthosia rubens
                                                   [Cynanchum rubens]
                                            Orthosia scoparia
                                                   [Amphistelma scoparium]
                                                   [Cynanchum fawcettii]
                                                   [Cynoctonum scoparium]
                                                   [Metastelma filiforme]
                                                   [Vincetoxicum scoparium]
                                            Orthosia selloana
                                                   [Amphistelma leptocarpa]
                                            Orthosia smaragdina
                                            Orthosia subulata
                                                   [Tassadia subulata]
                                            Orthosia urceolata
                                            Orthosia virgata
                                                   [Metastelma diffusum]
                                    Otaria
                                    Oxypetalum
                                            Oxypetalum alpinum
                                              Oxypetalum alpinum var. pallidum
                                                     [Oxypetalum umbellatum]
                                            Oxypetalum appendiculatum
                                            Oxypetalum arachnoideum
                                            Oxypetalum arnottianum
                                            Oxypetalum attenuatum
                                                   [Schistogyne attenuata]
                                            Oxypetalum balansae
                                            Oxypetalum banksii
                                            Oxypetalum bellohorizontinum
                                            Oxypetalum capitatum
                                              Oxypetalum capitatum subsp. angustum
                                              Oxypetalum capitatum subsp. mirabile
                                                     [Oxypetalum hasslerianum]
                                                     [Oxypetalum proboscideum]
                                            Oxypetalum chodatianum
                                            Oxypetalum coccineum
                                                   [Amblyopetalum coccineum]
                                            Oxypetalum coeruleum
                                                   [Tweedia coerulea]
                                            Oxypetalum cordifolium
                                                   [Oxypetalum riparium]
                                              Oxypetalum cordifolium subsp. pedicellatum
                                                     [Oxypetalum pedicellatum]
                                            Oxypetalum corymbosum
                                                   [Widgrenia corymbosa]
                                            Oxypetalum crispum
                                                   [Oxypetalum pratense]
                                            Oxypetalum dombeyanum
                                                   [Gothofreda dombeyana]
                                            Oxypetalum dusenii
                                            Oxypetalum erectum
                                            Oxypetalum erianthum
                                            Oxypetalum flavopurpureum
                                            Oxypetalum gracile
                                                   [Gothofreda gracilis]
                                            Oxypetalum jacobinae
                                                   [Oxypetalum lagoense]
                                            Oxypetalum karstenianum
                                                   [Schistogyne decaisneana]
                                            Oxypetalum lineare
                                            Oxypetalum macrolepis
                                            Oxypetalum malmei
                                            Oxypetalum marginatum
                                            Oxypetalum mexiae
                                            Oxypetalum microphyllum
                                            Oxypetalum molle
                                            Oxypetalum montanum
                                            Oxypetalum mosenii
                                                   [Calostigma mosenii]
                                            Oxypetalum muticum
                                            Oxypetalum obtusifolium
                                            Oxypetalum pachygynum
                                            Oxypetalum pannosum
                                            Oxypetalum parviflorum
                                                   [Schizostemma parviflorum]
                                            Oxypetalum pentasetum
                                                   [Schistogyne pentaseta]
                                            Oxypetalum pilosum
                                            Oxypetalum pubescens
                                                   [Schistogyne pubescens]
                                            Oxypetalum schenckii
                                            Oxypetalum stipatum
                                            Oxypetalum sublanatum
                                            Oxypetalum suboppositum
                                            Oxypetalum subriparium
                                            Oxypetalum tomentosum
                                            Oxypetalum tubatum
                                            Oxypetalum wightianum
                                    Oxypteryx
                                            Oxypteryx curtissii
                                    Oxystelma
                                            Oxystelma bornouense
                                                   [Oxystelma senegalense]
                                            Oxystelma esculentum
                                                   [Oxystelma alpini]
                                                   [Oxystelma esculentum var. alpini]
                                                   [Oxystelma secamone]
                                                   [Periploca esculenta]
                                            Oxystelma wallichii
                                                   [Sarcostemma esculentum]
                                    Pachycarpus
                                            Pachycarpus bisacculatus
                                                   [Gomphocarpus bisacculatus]
                                                   [Pachycarpus bullockii]
                                            Pachycarpus chirindensis
                                                   [Schizoglossum chirindense]
                                            Pachycarpus concolor
                                                   [Gomphocarpus scaber]
                                                   [Pachycarpus rhinophyllus]
                                              Pachycarpus concolor subsp. rhinophyllus
                                                     [Gomphocarpus rhinophyllus]
                                                     [Gomphocarpus trachyphyllus]
                                            Pachycarpus dealbatus
                                            Pachycarpus distinctus
                                                   [Margaretta distincta]
                                                   [Schizoglossum distinctum]
                                                   [Schizoglossum scyphostigma]
                                                   [Schizoglossum xyphostigma]
                                            Pachycarpus eximius
                                                   [Asclepias eximia]
                                                   [Schizoglossum eximium]
                                            Pachycarpus firmus
                                                   [Asclepias firma]
                                                   [Schizoglossum firmum]
                                            Pachycarpus goetzei
                                                   [Schizoglossum goetzei]
                                                   [Schizoglossum simulans]
                                            Pachycarpus grandiflorus
                                              Pachycarpus grandiflorus subsp. grandiflorus
                                                     [Gomphocarpus grandiflorus]
                                            Pachycarpus grantii
                                              Pachycarpus grantii subsp. grantii
                                                     [Asclepias grantii]
                                                     [Gomphocarpus grantii]
                                                     [Schizoglossum grantii]
                                              Pachycarpus grantii subsp. marroninus
                                            Pachycarpus lineolatus
                                                   [Asclepias browniana]
                                                   [Asclepias conspicua]
                                                   [Asclepias lineolata]
                                                   [Asclepias lineolatus]
                                                   [Asclepias schweinfurthii]
                                                   [Gomphocarpus lineolatus]
                                                   [Pachycarpus mildbraedii]
                                                   [Pachycarpus schweinfurthii]
                                            Pachycarpus medusonema
                                            Pachycarpus pachyglossus
                                            Pachycarpus petherickianus
                                                   [Asclepias petherickiana var. cordatum]
                                                   [Asclepias petherickiana]
                                                   [Pachycarpus schumannii]
                                                   [Pachycarpus terminans]
                                                   [Schizoglossum petherickianum]
                                                   [Schizoglossum thorbeckii]
                                            Pachycarpus richardsiae
                                            Pachycarpus robustus
                                                   [Asclepias robusta]
                                                   [Gomphocarpus drepanostephanus]
                                                   [Gomphocarpus robustus]
                                            Pachycarpus scaber
                                            Pachycarpus schinzianus
                                                   [Asclepias schinziana]
                                                   [Gomphocarpus schinzianus]
                                            Pachycarpus spurius
                                                   [Schizoglossum dolichoglossum]
                                                   [Schizoglossum spurium]
                                                   [Xysmalobium dolichoglossum]
                                                   [Xysmalobium spurium]
                                            Pachycarpus vexillaris
                                    Pachycymbium
                                            Pachycymbium abayense
                                                   [Angolluma abayensis]
                                                   [Caralluma abayensis]
                                            Pachycymbium baldratii
                                    Pachypodium
                                            Pachypodium ambongense
                                            Pachypodium baronii
                                            Pachypodium bispinosum
                                            Pachypodium brevicaule
                                            Pachypodium decaryi
                                            Pachypodium densiflorum
                                            Pachypodium eburneum
                                            Pachypodium geayi
                                            Pachypodium horombense
                                            Pachypodium inopinatum
                                            Pachypodium lamerei
                                                   [Pachypodium menabeum]
                                            Pachypodium lealii
                                                   [Pachypodium giganteum]
                                              Pachypodium lealii subsp. lealii
                                              Pachypodium lealii subsp. saundersii
                                            Pachypodium meridionale
                                            Pachypodium mikea
                                            Pachypodium namaquanum
                                            Pachypodium rosulatum
                                              Pachypodium rosulatum subsp. bemaharense
                                              Pachypodium rosulatum subsp. bicolor
                                              Pachypodium rosulatum subsp. cactipes
                                              Pachypodium rosulatum subsp. gracilius
                                              Pachypodium rosulatum subsp. makayense
                                              Pachypodium rosulatum subsp. rostulatum
                                            Pachypodium rutenbergianum
                                            Pachypodium sagittatum
                                            Pachypodium saundersii
                                            Pachypodium sofiense
                                            Pachypodium succulentum
                                            Pachypodium windsorii
                                                   [Pachypodium baronii var. windsorii]
                                            Pachypodium x hojnyi
                                    Pacouria
                                            Pacouria boliviensis
                                            Pacouria guianensis
                                    Pagiantha
                                            Pagiantha koroana
                                    Pala
                                    Parahancornia
                                            Parahancornia fasciculata
                                                   [Parahancornia amapa]
                                            Parahancornia krukovii
                                            Parahancornia negroensis
                                            Parahancornia oblonga
                                            Parahancornia peruviana
                                            Parahancornia surrogata
                                    Paralstonia
                                    Parameria
                                            Parameria laevigata
                                                   [Echites barbatus]
                                    Paravallaris
                                            Paravallaris laurifolia
                                    Parquetina
                                    Parsonsia
                                              Cuphea parsonsia var. grisebachiana
                                                     [Cuphea grisebachiana]
                                            Parsonsia affinis
                                            Parsonsia alboflavescens
                                                   [Parsonsia helicandra]
                                                   [Parsonsia laevigata]
                                                   [Parsonsia longipedunculata]
                                            Parsonsia balsamona
                                            Parsonsia brownii
                                            Parsonsia buruensis
                                            Parsonsia capsularis
                                              Parsonsia capsularis var. grandiflora
                                              Parsonsia capsularis var. ochracea
                                            Parsonsia confusa
                                                   [Parsonsia spiralis]
                                            Parsonsia cumingiana
                                            Parsonsia curvisepala
                                            Parsonsia eucalyptophylla
                                                   [Parsonsia eucalyptifolia]
                                            Parsonsia heterophylla
                                            Parsonsia largiflorens
                                            Parsonsia lata
                                            Parsonsia lythroides
                                            Parsonsia micrantha
                                            Parsonsia oligantha
                                            Parsonsia parsonsia
                                            Parsonsia sanguinea
                                              Parsonsia sanguinea var. brassii
                                                     [Parsonsia brassii]
                                            Parsonsia straminea
                                                   [Lyonsia reticulata]
                                                   [Parsonsia reticulata]
                                            Parsonsia velutina
                                            Parsonsia ventricosa
                                            Parsonsia warenensis
                                    Pattalias
                                            Pattalias palustre
                                            Pattalias palustris
                                                   [Metastelma palustre]
                                    Peltastes
                                            Peltastes giganteus
                                                   [Peltastes ampliflorus]
                                            Peltastes peltatus
                                    Pentacyphus
                                    Pentagonanthus
                                            Pentagonanthus sudanica
                                    Pentalinon
                                            Pentalinon andrieuxii
                                            Pentalinon luteum
                                                   [Echites andrewsii]
                                                   [Echites jamaicensis]
                                                   [Echites neriandrus]
                                                   [Rhabdadenia laxiflora]
                                                   [Urechites andrewsii]
                                                   [Urechites dolichantha]
                                                   [Urechites luteus var. sericeus]
                                                   [Urechites luteus]
                                                   [Urechites suberectus]
                                    Pentarrhinum
                                            Pentarrhinum abyssinicum
                                            Pentarrhinum balense
                                            Pentarrhinum gonoloboides
                                            Pentarrhinum insipidum
                                            Pentarrhinum ledermannii
                                                   [Cynanchum ledermannii]
                                            Pentarrhinum somaliense
                                    Pentasachme
                                            Pentasachme caudatum
                                    Pentasacme
                                            Pentasacme caudatum
                                                   [Pentasacme championii]
                                    Pentatropis
                                            Pentatropis bentii
                                                   [Strobopetalum bentii]
                                            Pentatropis microphylla
                                            Pentatropis nivalis
                                                   [Asclepias forskalii]
                                                   [Asclepias nivalis]
                                                   [Pentatropis madagascariensis]
                                                   [Tylophora cirrosa]
                                              Pentatropis nivalis subsp. madagascariensis
                                              Pentatropis nivalis subsp. nivalis
                                                     [Pentatropis cynanchoides]
                                            Pentatropis pierrei
                                    Peplonia
                                           [Gonioanthela]
                                            Peplonia asteria
                                            Peplonia axillaris
                                                   [Gonioanthela axillaris]
                                                   [Gonioanthela odorata]
                                    Pergularia
                                            Pergularia adenophylla
                                            Pergularia africana
                                            Pergularia daemia
                                                   [Doemia extensa]
                                              Pergularia daemia subsp. barbata
                                                     [Daemia barbata]
                                                     [Pergularia barbata]
                                              Pergularia daemia subsp. daemia
                                                     [Asclepias convolvulacea]
                                                     [Asclepias daemia]
                                                     [Asclepias muricata]
                                                     [Asclepias scandens]
                                                     [Cynanchum extensum]
                                                     [Daemia aethiopica]
                                                     [Daemia extensa]
                                                     [Pergularia daemia var. macrantha]
                                                     [Pergularia extensa]
                                              Pergularia daemia subsp. garipensis
                                            Pergularia glabra
                                                   [Asclepias glabra]
                                                   [Daemia glabra]
                                            Pergularia tomentosa
                                                   [Asclepias cordata]
                                                   [Daemia cordata]
                                                   [Daemia tomentosa]
                                    Periglossum
                                            Periglossum angustifolium
                                    Perinerion
                                    Periploca
                                            Periploca aphylla
                                              Periploca aphylla subsp. aphylla
                                              Periploca aphylla subsp. laxiflora
                                                     [Periploca aphylla var. laxiflora]
                                            Periploca calophylla
                                            Periploca chevalieri
                                                   [Periploca laevigata subsp. chevalieri]
                                            Periploca forrestii
                                            Periploca graeca
                                            Periploca hydaspidis
                                            Periploca laevigata
                                              Periploca laevigata subsp. angustifolia
                                                     [Periploca angustifolia]
                                            Periploca linearifolia
                                                   [Periploca linearis]
                                            Periploca nigrescens
                                            Periploca refractifolia
                                            Periploca sepium
                                            Periploca somaliense
                                                   [Periploca brevicoronata]
                                            Periploca visciformis
                                                   [Leptadenia ephedriformis]
                                                   [Leptadenia visciformis]
                                                   [Periploca ephedriformis]
                                                   [Periploca visciformis var. glabra]
                                                   [Socotora aphylla]
                              Periplocoideae
                                    Camptocarpus
                                            Camptocarpus acuminatus
                                            Camptocarpus mauritianus
                                    Finlaysonia
                                            Finlaysonia obovata
                                    Ischnolepis
                                            Ischnolepis graminifolia
                                    Myriopteron
                                            Myriopteron extensum
                                    Pentopetia
                                           [Gonocrypta]
                                            Pentopetia grevei
                                                   [Gonocrypta grevei]
                                            Pentopetia urceolata
                                    Phyllanthera
                                    Perithrix
                                    Peschiera
                                            Peschiera australis
                                            Peschiera cymosa
                                            Peschiera psychotriifolia
                                    Petalostelma
                                    Petchia
                                            Petchia africana
                                            Petchia ceylanica
                                            Petchia cryptophlebia
                                            Petchia erythrocarpa
                                            Petchia madagascariensis
                                    Pherotrichis
                                            Pherotrichis leptogenia
                                            Pherotrichis schaffneri
                                            Pherotrichis villosa
                                                   [Gonolobus pogonanthus]
                                    Philibertella
                                    Philibertia
                                            Philibertia albiflora
                                            Philibertia barbata
                                                   [Mitostigma barbatum]
                                            Philibertia boliviensis
                                                   [Mitostigma boliviense]
                                            Philibertia campanulata
                                                   [Philibertia splendens]
                                            Philibertia candolleana
                                            Philibertia gilliesii
                                                   [Oxystelma gilliesii]
                                                   [Philibertia gilliesii var. gracilis]
                                                   [Philibertia gracilis]
                                                   [Philibertia obtusiuscula]
                                                   [Sarcostemma solanoides]
                                            Philibertia linearis
                                              Philibertia linearis var. heterophylla
                                              Philibertia linearis var. hirtella
                                            Philibertia lysimachioides
                                                   [Sarcostemma lysimachioides]
                                            Philibertia nivea
                                                   [Mitostigma niveum]
                                            Philibertia palmeri
                                            Philibertia pavoni
                                            Philibertia solanoides
                                                   [Oxystelma solanoides]
                                                   [Sarcostemma gilliesii]
                                            Philibertia stipitata
                                    Piaggiaea
                                    Piaranthus
                                            Piaranthus parvulus
                                    Picralima
                                            Picralima nitida
                                                   [Picralima klaineana]
                                                   [Picralima macrocarpa]
                                                   [Tabernaemontana nitida]
                                    Pinochia
                                            Pinochia corymbosa
                                              Pinochia corymbosa subsp. portoricensis
                                            Pinochia floribunda
                                                   [Forsteronia floribunda]
                                            Pinochia monteverdensis
                                                   [Forsteronia monteverdensis]
                                            Pinochia peninsularis
                                                   [Forsteronia peninsularis]
                                    Piptolaena
                                    Pleiocarpa
                                            Pleiocarpa bicarpellata
                                                   [Hunteria ambiens]
                                            Pleiocarpa brevistyla
                                            Pleiocarpa hockii
                                            Pleiocarpa mutica
                                                   [Hunteria pleiocarpa]
                                                   [Pleiocarpa bakueana]
                                                   [Pleiocarpa salicifolia]
                                                   [Pleiocarpa ternata]
                                                   [Pleiocarpa tricarpellata]
                                            Pleiocarpa picralimoides
                                                   [Carpodinopsis picralimoides]
                                            Pleiocarpa pycnantha
                                                   [Hunteria breviloba]
                                                   [Hunteria pycmaniha]
                                                   [Hunteria pycnantha]
                                                   [Pleiocarpa bagshawei]
                                                   [Pleiocarpa breviloba]
                                                   [Pleiocarpa flavescens]
                                                   [Pleiocarpa micrantha]
                                                   [Pleiocarpa microcarpa]
                                                   [Pleiocarpa pycnantha var. tubicina]
                                                   [Pleiocarpa swynnertonii]
                                                   [Pleiocarpa tubicina]
                                                   [Pleiocarpa welwitschii]
                                            Pleiocarpa robusta
                                            Pleiocarpa rostrata
                                                   [Carpodinopsis rostrata]
                                                   [Carpodinopsis talbotii]
                                                   [Carpodinopsis uniflora]
                                                   [Hunteria rostrata]
                                                   [Pleiocarpa talbotii]
                                            Pleiocarpa simii
                                    Pleioceras
                                            Pleioceras afzelii
                                                   [Pleioceras whytei]
                                                   [Wrightia afzelii]
                                            Pleioceras barteri
                                                   [Wrightia parviflora]
                                            Pleioceras gilletii
                                                   [Pleioceras glaberrima]
                                                   [Pleioceras stapfiana]
                                            Pleioceras orientale
                                            Pleioceras zenkeri
                                                   [Pleioceras oblonga]
                                                   [Pleioceras talbotii]
                                    Pleuralluma
                                            Pleuralluma lamellosa
                                                   [Caralluma lamellosa]
                                    Pleuranthemum
                                    Pleurostelma
                                    Plumeria
                                            Plumeria acutifolia
                                            Plumeria alba
                                            Plumeria caracasana
                                            Plumeria clusioides
                                            Plumeria emarginata
                                            Plumeria filifolia
                                                   [Plumeria stenophylla]
                                            Plumeria inodora
                                            Plumeria lanata
                                            Plumeria magna
                                            Plumeria marchii
                                            Plumeria montana
                                            Plumeria obtusa
                                                   [Plumeria barahonensis]
                                                   [Plumeria confusa]
                                                   [Plumeria inaguensis]
                                                   [Plumeria jamaicensis]
                                                   [Plumeria obtusa var. laevis]
                                                   [Plumeria obtusa var. parviflora]
                                              Plumeria obtusa var. obtusa
                                                     [Plumeria krugii]
                                                     [Plumeria portoricensis]
                                              Plumeria obtusa var. sericifolia
                                                     [Plumeria multiflora]
                                            Plumeria pudica
                                            Plumeria rubra
                                                   [Plumeria acuminata]
                                                   [Plumeria jamesonii]
                                                   [Plumeria lutea]
                                                   [Plumeria megaphylla]
                                                   [Plumeria mexicana]
                                                   [Plumeria mollis]
                                                   [Plumeria rubra f. acuminata]
                                                   [Plumeria rubra f. acutifolia]
                                                   [Plumeria rubra f. lutea]
                                                   [Plumeria rubra f. tricolor]
                                                   [Plumeria tricolor]
                                              Plumeria rubra var. acutifolia
                                            Plumeria sericifolia
                                            Plumeria subsessilis
                                                   [Plumeria jaegeri]
                                            Plumeria tuberculata
                                    Plumeriopsis
                                    Poacynum
                                            Poacynum lancifolium
                                                   [Apocynum lancifolium]
                                            Poacynum pictum
                                                   [Apocynum grandiflorum]
                                                   [Apocynum hendersonii]
                                                   [Apocynum pictum]
                                            Poacynum russanovii
                                                   [Apocynum russanovii]
                                            Poacynum sarmatiense
                                                   [Trachomitum sarmatiense]
                                            Poacynum scabrum
                                                   [Apocynum scabrum]
                                                   [Trachomitum scabrum]
                                            Poacynum venetum
                                                   [Trachomitum venetum]
                                    Podostelma
                                    Podostemma
                                    Podostigma
                                            Podostigma pedicellata
                                    Poicilla
                                    Polyadoa
                                    Polyotus
                                            Polyotus angustifolius
                                    Polystemma
                                            Polystemma canisferum
                                            Polystemma cordatum
                                                   [Matelea cordata]
                                            Polystemma cordifolium
                                                   [Matelea cordifolia]
                                                   [Rothrockia cordifolia]
                                            Polystemma guatemalense
                                                   [Matelea hintoniana]
                                                   [Vincetoxicum quirosii]
                                            Polystemma mirandae
                                            Polystemma viridiflora
                                                   [Polystemma rupestre]
                                                   [Polystemma scopulorum]
                                            Polystemma viridiflorum
                                    Pottsia
                                            Pottsia cantonensis
                                            Pottsia laxiflora
                                                   [Parsonsia ovata]
                                    Prestonia
                                            Prestonia agglutinata
                                            Prestonia amabilis
                                            Prestonia amanuensis
                                            Prestonia annularis
                                            Prestonia bahiensis
                                            Prestonia calycina
                                            Prestonia cayennensis
                                                   [Prestonia marginata]
                                            Prestonia clandestina
                                            Prestonia coalita
                                            Prestonia concolor
                                            Prestonia dusenii
                                            Prestonia erecta
                                            Prestonia exerta
                                                   [Prestonia gracilis]
                                            Prestonia exserta
                                                   [Haemadictyon exsertum]
                                                   [Prestonia fendleri]
                                                   [Prestonia tobagensis]
                                                   [Prestonia velutina]
                                            Prestonia guatemalensis
                                            Prestonia hassleri
                                            Prestonia ipomaeifolia
                                            Prestonia lagoensis
                                            Prestonia lenticellata
                                            Prestonia longifolia
                                                   [Belandra concolor]
                                                   [Echites longifolius]
                                            Prestonia mexicana
                                                   [Echites conglobatus]
                                                   [Haemadictyon mexicanum]
                                                   [Prestonia allenii]
                                                   [Prestonia longituba]
                                                   [Prestonia wedelii]
                                            Prestonia mollis
                                            Prestonia parviflora
                                                   [Prestonia mucronata]
                                            Prestonia plumeriifolia
                                            Prestonia plumierifolia
                                            Prestonia portobellensis
                                                   [Prestonia macrocarpa]
                                            Prestonia quinquangularis
                                                   [Echites bangii]
                                                   [Echites laurentiae-disca]
                                                   [Echites quinquangularis]
                                                   [Haemadictyon venosum]
                                                   [Prestonia acutifolia]
                                            Prestonia riedelii
                                            Prestonia riverae
                                            Prestonia rotundifolia
                                            Prestonia schippii
                                            Prestonia seemannii
                                            Prestonia solanifolia
                                            Prestonia speciosa
                                                   [Prestonia grandiflora]
                                            Prestonia succo
                                            Prestonia surinamensis
                                            Prestonia tomentosa
                                            Prestonia trifida
                                                   [Prestonia obovata]
                                            Prestonia vaupesana
                                    Prosthecidiscus
                                    Protogabunia
                                    Pseudolachnostoma
                                            Pseudolachnostoma brasiliense
                                                   [Matelea brasiliensis]
                                            Pseudolachnostoma cynanchiflorum
                                                   [Matelea cynanchiflora]
                                            Pseudolachnostoma reflexum
                                                   [Matelea reflexa]
                                    Pseudolithos
                                            Pseudolithos caput-viperae
                                            Pseudolithos cubiformis
                                                   [Lithocaulon cubiforme]
                                                   [Pseudolithos cubiformis var. viridiflorus]
                                            Pseudolithos dodsonianus
                                                   [Anomalluma dodsoniana]
                                                   [Caralluma dodsoniana]
                                            Pseudolithos gigas
                                            Pseudolithos harardheranus
                                            Pseudolithos horwoodii
                                            Pseudolithos migiurtinus
                                                   [Lithocaulon sphaericum]
                                                   [Pseudolithos sphaericus]
                                                   [Whitesloanea migiurtina]
                                    Pseudomarsdenia
                                    Pseudopectinaria
                                    Pteralyxia
                                            Pteralyxia caumiana
                                            Pteralyxia kauaiensis
                                            Pteralyxia laurifolia
                                            Pteralyxia macrocarpa
                                    Pterophora
                                    Pterotaberna
                                    Pterygocarpus
                                    Pulassarium
                                            Pulassarium leucogyne
                                    Pycnobotrya
                                            Pycnobotrya nitida
                                                   [Pycnobotrya multiflora]
                                    Pycnostelma
                                            Pycnostelma paniculatum
                                    Quiotania
                                            Quiotania amazonica
                                    Raphiacme
                                    Raphionacme
                                            Raphionacme angolensis
                                                   [Raphiacme angolensis]
                                                   [Raphionacme kubangensis]
                                                   [Raphionacme pachyodon]
                                                   [Zaczatea angolensis]
                                            Raphionacme borenensis
                                            Raphionacme brownii
                                                   [Raphionacme baguirmiensis]
                                                   [Raphionacme brownii var. longifolia]
                                            Raphionacme caerulea
                                                   [Pentagonanthus caeruleus]
                                                   [Raphionacme sudanica]
                                            Raphionacme chimanimaniana
                                            Raphionacme flanaganii
                                            Raphionacme globosa
                                                   [Raphiacme globosa]
                                                   [Raphionacme virgultorum]
                                            Raphionacme grandiflora
                                                   [Pentagonanthus grandiflorus subsp. glabrescens]
                                                   [Pentagonanthus grandiflorus subsp. grandiflorus]
                                                   [Pentagonanthus grandiflorus]
                                                   [Raphionacme grandiflora subsp. glabrescens]
                                            Raphionacme hirsuta
                                            Raphionacme inconspicua
                                            Raphionacme keayii
                                            Raphionacme lanceolata
                                                   [Raphionacme lanceolata var. latifolia]
                                            Raphionacme linearis
                                                   [Raphiacme linearis]
                                                   [Raphionacme linearis var. glabra]
                                            Raphionacme longifolia
                                                   [Raphiacme longifolia]
                                                   [Raphionacme decolor]
                                            Raphionacme longituba
                                                   [Raphionacme ernstiana]
                                            Raphionacme lucens
                                            Raphionacme madiensis
                                                   [Raphionacme wilczekiana]
                                            Raphionacme michelii
                                                   [Raphionacme gossweileri]
                                            Raphionacme moyalica
                                            Raphionacme palustris
                                            Raphionacme procumbens
                                            Raphionacme pulchella
                                            Raphionacme splendens
                                                   [Raphionacme excisa]
                                              Raphionacme splendens subsp. bingeri
                                                     [Brachystelma bingeri]
                                                     [Raphionacme bagshawei]
                                                     [Raphionacme bingeri]
                                                     [Raphionacme daronii]
                                              Raphionacme splendens subsp. splendens
                                                     [Raphionacme jurensis]
                                            Raphionacme sylvicola
                                            Raphionacme utilis
                                            Raphionacme velutina
                                            Raphionacme vignei
                                            Raphionacme welwitschii
                                                   [Raphionacme denticulata]
                                                   [Raphionacme verdickii]
                                                   [Zucchellia angolensis]
                                    Rauvolfia
                                            Rauvolfia Weddeliana
                                            Rauvolfia andina
                                            Rauvolfia aphlebia
                                                   [Rauvolfia sarapiquensis]
                                                   [Tabernaemontana aphlebia]
                                            Rauvolfia biauriculata
                                            Rauvolfia caffra
                                                   [Rauvolfia caffra var. natalensis]
                                                   [Rauvolfia goetzei]
                                                   [Rauvolfia inebrians]
                                                   [Rauvolfia leucopoda]
                                                   [Rauvolfia macrophylla]
                                                   [Rauvolfia mayombensis]
                                                   [Rauvolfia natalensis]
                                                   [Rauvolfia obliquinervis]
                                                   [Rauvolfia ochrosioides]
                                                   [Rauvolfia oxyphylla]
                                                   [Rauvolfia tchibangensis]
                                                   [Rauvolfia welwitschii]
                                            Rauvolfia chinensis
                                            Rauvolfia cubana
                                            Rauvolfia densiflora
                                            Rauvolfia grandiflora
                                            Rauvolfia javanica
                                            Rauvolfia lamarckii
                                            Rauvolfia leptophylla
                                            Rauvolfia letouzeyi
                                            Rauvolfia ligustrina
                                                   [Rauvolfia alphonsiana]
                                                   [Rauvolfia indecora]
                                                   [Rauvolfia parvifolia]
                                                   [Rauvolfia ternifolia]
                                            Rauvolfia littoralis
                                                   [Rauvolfia macrocarpa]
                                            Rauvolfia macrantha
                                            Rauvolfia mannii
                                                   [Rauvolfia cardiocarpa]
                                                   [Rauvolfia cumminsii]
                                                   [Rauvolfia ivorensis]
                                                   [Rauvolfia liberiensis]
                                                   [Rauvolfia longiacuminata]
                                                   [Rauvolfia obscura]
                                                   [Rauvolfia preussii]
                                                   [Rauvolfia rosea]
                                            Rauvolfia media
                                            Rauvolfia mollis
                                            Rauvolfia mombasiana
                                                   [Rauvolfia monopyrena]
                                                   [Rauvolfia sambesiaca]
                                            Rauvolfia nana
                                            Rauvolfia nitida
                                                   [Rauvolfia lanceolata]
                                            Rauvolfia paraensis
                                            Rauvolfia paucifolia
                                            Rauvolfia pentaphylla
                                                   [Rauvolfia duckei]
                                            Rauvolfia praecox
                                            Rauvolfia purpurascens
                                            Rauvolfia salicifolia
                                            Rauvolfia samarensis
                                            Rauvolfia sandwicensis
                                                   [Rauvolfia degeneri]
                                                   [Rauvolfia forbesii]
                                                   [Rauvolfia helleri]
                                                   [Rauvolfia mauiensis]
                                                   [Rauvolfia molokaiensis var. parvifolia]
                                                   [Rauvolfia molokaiensis]
                                                   [Rauvolfia remotiflora]
                                                   [Rauvolfia sandwicensis var. sandwicensis]
                                                   [Rauvolfia sandwicensis var. subacuminata]
                                                   [Rauvolfia sandwicensis var. subcuminata]
                                            Rauvolfia schuelii
                                            Rauvolfia sellowii
                                            Rauvolfia semperflorens
                                            Rauvolfia serpentina
                                                   [Ophioxylon serpentinum]
                                            Rauvolfia sprucei
                                            Rauvolfia sumatrana
                                            Rauvolfia tetraphylla
                                                   [Rauvolfia canescens]
                                                   [Rauvolfia heterophylla]
                                                   [Rauvolfia hirsuta]
                                                   [Rauvolfia latifolia var. minor]
                                                   [Rauvolfia tomentosa]
                                            Rauvolfia verticillata
                                                   [Rauvolfia latifrons]
                                                   [Rauvolfia perakensis]
                                                   [Tabernaemontana ophiorrhizoides]
                                            Rauvolfia viridis
                                                   [Rauvolfia latifolia]
                                            Rauvolfia volkensii
                                                   [Rauvolfia faucium]
                                                   [Rauvolfia oreogiton]
                                                   [Tabernaemontana volkensii]
                                            Rauvolfia vomitoria
                                                   [Rauvolfia congolana]
                                                   [Rauvolfia dichotoma]
                                                   [Rauvolfia pleiosiadica]
                                                   [Rauvolfia senegambiae]
                                                   [Rauvolfia stuhlmannii]
                                            Rauvolfia woodsoniana
                              Rauvolfioideae
                                    Craspidospermum
                                            Craspidospermum verticillatum
                                    Kamettia
                                            Kamettia chandeei
                                    Plectaneia
                                            Plectaneia thouarsii
                                    Tabernanthe
                                            Tabernanthe elliptica
                                                   [Daturicarpa elliptica]
                                                   [Daturicarpa firmula]
                                                   [Daturicarpa lanceolata]
                                            Tabernanthe iboga
                                                   [Iboga vateriana]
                                                   [Tabernanthe albiflora]
                                                   [Tabernanthe bocca]
                                                   [Tabernanthe mannii]
                                                   [Tabernanthe pubescens]
                                                   [Tabernanthe subsessilis]
                                                   [Tabernanthe tenuiflora]
                                    Rejoua
                                            Rejoua dichotoma
                                    Rhabdadenia
                                            Rhabdadenia biflora
                                                   [Echites paludosus]
                                                   [Rhabdadenia cordata]
                                            Rhabdadenia corallicola
                                            Rhabdadenia macrostoma
                                            Rhabdadenia paludosa
                                            Rhabdadenia pohlii
                                            Rhabdadenia ragonesei
                                            Rhabdadenia sagraei
                                    Rhazya
                                            Rhazya stricta
                                    Rhigospira
                                            Rhigospira quadrangularis
                                    Rhodocalyx
                                            Rhodocalyx riedelii
                                            Rhodocalyx rotundifolius
                                    Rhynchodia
                                    Rhynchostigma
                                    Rhytidocaulon
                                            Rhytidocaulon baricum
                                            Rhytidocaulon paradoxum
                                            Rhytidocaulon piliferum
                                            Rhytidocaulon richardianum
                                            Rhytidocaulon scandens
                                            Rhytidocaulon specksii
                                            Rhytidocaulon subscandens
                                    Riocreuxia
                                            Riocreuxia chrysochroma
                                            Riocreuxia polyantha
                                                   [Ceropegia burchellii subsp. profusa]
                                                   [Ceropegia burchellii]
                                                   [Riocreuxia burchellii]
                                                   [Riocreuxia profusa]
                                            Riocreuxia splendida
                                            Riocreuxia torulosa
                                    Rojasia
                                    Rothrockia
                                           [Patinoa]
                                            Rothrockia fruticosa
                                            Rothrockia umbellata
                                    Rouliniella
                                    Roupellia
                                    Saba
                                            Saba comorensis
                                                   [Landolphia comorensis var. florida]
                                                   [Landolphia comorensis]
                                                   [Landolphia florida var. leiantha]
                                                   [Landolphia florida]
                                                   [Landolphia martreti]
                                                   [Pacouria florida]
                                                   [Saba comorensis var. florida]
                                                   [Saba florida]
                                                   [Vahea comorensis]
                                                   [Vahea florida]
                                            Saba senegalensis
                                                   [Landolphia florida var. senegalensis]
                                                   [Landolphia senegalensis var. genuina]
                                                   [Landolphia senegalensis var. glabriflora]
                                                   [Saba senegalensis var. glabriflora]
                                                   [Vahea senegalensis]
                                            Saba thompsonii
                                                   [Landolphia thompsonii]
                                    Sacleuxia
                                            Sacleuxia newii
                                                   [Cryptolepis newii]
                                                   [Gymnolaema newii]
                                                   [Macropelma angustifolium]
                                                   [Sacleuxia salicina]
                                            Sacleuxia tuberosa
                                                   [Gymnolaema tuberosa]
                                    Sanguilluma
                                    Sarcocodon
                                    Sarcocyphula
                                    Sarcolobus
                                            Sarcolobus borneensis
                                            Sarcolobus globosus
                                            Sarcolobus luzonensis
                                                   [Dorystephania luzonensis]
                                            Sarcolobus retusus
                                                   [Sarcolobus sulphureus]
                                    Sarcopharyngia
                                    Sarcorrhiza
                                            Sarcorrhiza epiphytica
                                    Sarcostemma
                                            Sarcostemma viminale
                                    Sattadia
                                    Saurolluma
                                    Schistogyne
                                            Schistogyne mosenii
                                            Schistogyne sylvestris
                                    Schistonema
                                    Schizoglossum
                                            Schizoglossum aschersonianum
                                              Schizoglossum aschersonianum var. aschersonianum
                                              Schizoglossum aschersonianum var. longipes
                                              Schizoglossum aschersonianum var. pygmaeum
                                              Schizoglossum aschersonianum var. radiatum
                                            Schizoglossum atropurpureum
                                              Schizoglossum atropurpureum subsp. atropurpureum
                                            Schizoglossum barbatum
                                            Schizoglossum cabrae
                                            Schizoglossum cordatum
                                                   [Schizoglossum petherickianum var. cordata]
                                            Schizoglossum debeersianum
                                            Schizoglossum filiforme
                                                   [Cynanchum filliforme]
                                            Schizoglossum garcianum
                                            Schizoglossum gigantiglossum
                                            Schizoglossum gossweileri
                                            Schizoglossum hamatum
                                            Schizoglossum linifolium
                                              Schizoglossum linifolium var. centrirostratum
                                              Schizoglossum linifolium var. linifolium
                                            Schizoglossum montanum
                                            Schizoglossum nitidum
                                            Schizoglossum orbiculare
                                            Schizoglossum parcum
                                            Schizoglossum peglerae
                                            Schizoglossum pulchellum
                                            Schizoglossum robustum
                                            Schizoglossum tenellum
                                            Schizoglossum togoense
                                            Schizoglossum viridulum
                                            Schizoglossum woodii
                                    Schizostephanus
                                            Schizostephanus alatus
                                                   [Cynanchum validum]
                                            Schizostephanus gossweileri
                                                   [Cynanchum gossweileri]
                                    Schizozygia
                                            Schizozygia coffaeoides
                                    Schlechterella
                                            Schlechterella abyssinica
                                                   [Raphionacme abyssinica]
                                            Schlechterella africana
                                                   [Pleurostelma africanum]
                                                   [Tacazzea africana]
                                    Schubertia
                                            Schubertia grandiflora
                                                   [Araujia grandiflora]
                                    Scyphostelma
                                            Scyphostelma filisepalum
                                                   [Metastelma filisepalum]
                                            Scyphostelma intricatum
                                                   [Cynanchum intricatum]
                                            Scyphostelma microphylla
                                                   [Cynanchum microphyllum]
                                            Scyphostelma serpyllifolium
                                                   [Orthosia serpyllifolia]
                                            Scyphostelma unguiculatum
                                                   [Vincetoxicum unguiculatum]
                                    Secamone
                                            Secamone africana
                                                   [Secamone platystigma]
                                                   [Toxocarpus africanus]
                                            Secamone afzelii
                                                   [Hippocratea thomasii]
                                                   [Ichnocarpus afzelii]
                                                   [Secamone myrtifolia]
                                            Secamone alpini
                                                   [Periploca secamone]
                                                   [Secamone thunbergii var. retusa]
                                                   [Secamone thunbergii]
                                            Secamone attenuifolia
                                            Secamone brevipes
                                                   [Rhynchostigma brevipes]
                                                   [Rhynchostigma lujae]
                                                   [Rhynchostigma parviflorum]
                                                   [Secamone rubiginosa]
                                                   [Toxocarpus brevipes]
                                                   [Toxocarpus lujaei]
                                                   [Toxocarpus parviflorus]
                                            Secamone buxifolia
                                            Secamone clavistyla
                                            Secamone curtisii
                                                   [Toxocarpus curtisii]
                                                   [Toxocarpus pauciflorus]
                                            Secamone delagoensis
                                            Secamone dewevrei
                                              Secamone dewevrei subsp. dewevrei
                                                     [Dewevrella congensis]
                                                     [Secamone gabonensis]
                                              Secamone dewevrei subsp. elliptica
                                            Secamone elliptica
                                              Secamone elliptica subsp. elliptica
                                                     [Secamone lanceolata]
                                                     [Secamone micrantha]
                                            Secamone emetica
                                            Secamone erythradenia
                                            Secamone filiformis
                                                   [Astephanus frutescens]
                                                   [Celastrus filiformis]
                                                   [Secamone frutescens]
                                            Secamone fryeri
                                            Secamone gerrardii
                                            Secamone glaberrima
                                            Secamone goyderi
                                            Secamone gracilis
                                            Secamone leonensis
                                                   [Toxocarpus leonensis]
                                            Secamone letouzeyana
                                                   [Toxocarpus letouzeyanus]
                                            Secamone obovata
                                            Secamone oleifolia
                                            Secamone parvifolia
                                                   [Gymnema parvifolium]
                                                   [Secamone emetica var. glabra]
                                                   [Secamone kirkii]
                                                   [Secamone mombasiana]
                                                   [Secamone schweinfurthii]
                                                   [Secamone usambarica]
                                                   [Secamone zambeziaca var. parvifolia]
                                                   [Secamone zambeziaca]
                                            Secamone perrieri
                                            Secamone punctulata
                                                   [Secamone micrandra]
                                                   [Secamone punctulata var. stenophylla]
                                                   [Secamone sansibariensis]
                                                   [Secamone stenophylla]
                                            Secamone racemosa
                                                   [Rhynchostigma racemosum]
                                                   [Toxocarpus racemosus]
                                            Secamone retusa
                                            Secamone siamensis
                                                   [Toxocarpus siamensis]
                                            Secamone sinica
                                            Secamone stuhlmannii
                                                   [Secamone floribunda]
                                                   [Secamone phillyreoides]
                                                   [Secamone rariflora]
                                              Secamone stuhlmannii subsp. whytei
                                                     [Secamone whytei]
                                            Secamone sulfurea
                                              Secamone sulfurea subsp. sulfurea
                                                     [Secamone longiflora]
                                            Secamone tenuifolia
                                            Secamone uncinata
                                            Secamone variicolor
                              Secamonoideae
                                    Genianthus
                                            Genianthus laurifolius
                                                   [Toxocarpus laurifolius]
                                    Goniostemma
                                            Goniostemma acuminatum
                                                   [Toxocarpus acuminatus]
                                    Pervillaea
                                            Pervillaea phillipsonii
                                    Secondatia
                                            Secondatia densiflora
                                            Secondatia floribunda
                                                   [Secondatia foliosa]
                                            Secondatia peruviana
                                    Seutera
                                            Seutera angustifolia
                                                   [Amphistelma salinarum]
                                                   [Ceropegia palustris]
                                                   [Lyonia maritima]
                                                   [Vincetoxicum palustre]
                                            Seutera maritima
                                            Seutera palmeri
                                                   [Pattalias palmeri]
                                                   [Rouliniella unifaria]
                                              Seutera palmeri var. palmeri
                                              Seutera palmeri var. peninsularis
                                            Seutera palustris
                                    Sisyranthus
                                            Sisyranthus compactus
                                            Sisyranthus imberbis
                                            Sisyranthus rhodesicus
                                            Sisyranthus saundersiae
                                            Sisyranthus trichostomus
                                    Skytanthus
                                            Skytanthus acutus
                                            Skytanthus hancorniifolius
                                    Socotora
                                    Solanoa
                                            Solanoa purpurascens
                                    Solenostemma
                                            Solenostemma oleifolium
                                                   [Solenostemma argel]
                                    Somalluma
                                    Spathulopetalum
                                    Sphaerocodon
                                    Spirolobium
                                            Spirolobium cambodianum
                                    Spongiosperma
                                            Spongiosperma cataractarum
                                            Spongiosperma grandiflorum
                                                   [Ambelania grandiflora]
                                            Spongiosperma oleifolium
                                            Spongiosperma riparium
                                    Stapelia
                                            Stapelia engleriana
                                            Stapelia gettliffei
                                            Stapelia gigantea
                                                   [Stapelia meintjesii]
                                                   [Stapelia tarantuloides]
                                                   [× Carapelia tarantuloides]
                                                   [× Orbeopelia tarantuloides]
                                            Stapelia grandiflora
                                            Stapelia hirsuta
                                                   [Gonostemon glabricaulis]
                                              Stapelia hirsuta var. tsomoensis
                                                     [Gonostemon glabricaulis var. forcipis]
                                            Stapelia kwebensis
                                            Stapelia leendertziae
                                            Stapelia nobilis
                                            Stapelia parvula
                                            Stapelia schinzii
                                            Stapelia tsomoensis
                                            Stapelia unicornis
                                            Stapelia variegata
                                    Stapeliopsis
                                    Stathmostelma
                                            Stathmostelma angustatum
                                              Stathmostelma angustatum subsp. angustatum
                                                     [Asclepias angustata]
                                                     [Gomphocarpus angustatus]
                                              Stathmostelma angustatum subsp. vomeriforme
                                                     [Asclepias vomeriformis]
                                                     [Stathmostelma thomasii]
                                            Stathmostelma diversifolium
                                            Stathmostelma fornicatum
                                              Stathmostelma fornicatum subsp. fornicatum
                                                     [Asclepias fornicata]
                                              Stathmostelma fornicatum subsp. tridentatum
                                            Stathmostelma gigantiflorum
                                                   [Asclepias gigantiflora]
                                                   [Asclepias muhindensis]
                                                   [Stathmostelma bicolor]
                                                   [Stathmostelma nomadacridum]
                                                   [Stathmostelma praetermissum]
                                            Stathmostelma incarnatum
                                            Stathmostelma katangense
                                                   [Asclepias dewevrei]
                                                   [Asclepias extenta]
                                                   [Asclepias katangensis]
                                            Stathmostelma pauciflorum
                                                   [Asclepias pauciflora]
                                                   [Asclepias reflexa]
                                                   [Gomphocarpus pauciflorus]
                                                   [Stathmostelma reflexum]
                                            Stathmostelma pedunculatum
                                                   [Asclepias pedunculata]
                                                   [Asclepias uvirensis]
                                                   [Gomphocarpus longipes]
                                                   [Gomphocarpus pedunculatus]
                                                   [Pachycarpus corniculatus]
                                                   [Stathmostelma globuliflorum]
                                                   [Stathmostelma macranthum]
                                            Stathmostelma propinquum
                                                   [Asclepias propinqua]
                                            Stathmostelma rhacodes
                                                   [Asclepias rhacodes]
                                            Stathmostelma spectabile
                                              Stathmostelma spectabile subsp. frommii
                                                     [Stathmostelma frommii]
                                              Stathmostelma spectabile subsp. spectabile
                                                     [Asclepias macropetala]
                                                     [Asclepias odorata]
                                                     [Asclepias pachyclada]
                                                     [Asclepias spectabile]
                                                     [Stathmostelma macropetalum]
                                                     [Stathmostelma odoratum]
                                                     [Stathmostelma pachycladum]
                                            Stathmostelma stipitatum
                                            Stathmostelma welwitschii
                                              Stathmostelma welwitschii var. bagshawei
                                                     [Asclepias bagshawei]
                                              Stathmostelma welwitschii var. welwitschii
                                                     [Asclepias laurentiana]
                                                     [Asclepias welwitschii]
                                                     [Stathmostelma chironiodes]
                                                     [Stathmostelma laurentianum]
                                            Stathmostelma wildemanianum
                                                   [Asclepias verdickii]
                                    Steinheilia
                                    Stemmadenia
                                            Stemmadenia alfaroi
                                            Stemmadenia donnell-smithii
                                            Stemmadenia galeottiana
                                            Stemmadenia glabra
                                            Stemmadenia grandiflora
                                            Stemmadenia obovata
                                            Stemmadenia pauli
                                            Stemmadenia pubescens
                                            Stemmadenia robinsonii
                                            Stemmadenia tomentosa
                                              Stemmadenia tomentosa var. palmeri
                                                     [Stemmadenia palmeri]
                                    Stenomeria
                                            Stenomeria pentalepis
                                    Stenosolen
                                    Stenostelma
                                            Stenostelma capense
                                                   [Schizoglossum aciculare]
                                                   [Schizoglossum capense]
                                            Stenostelma corniculatum
                                                   [Lagarinthus corniculatus]
                                                   [Schizoglossum corniculatum]
                                            Stenostelma periglossoides
                                                   [Schizoglossum periglossoides]
                                    Stephanostema
                                            Stephanostema stenocarpum
                                    Stephanotis
                                            Stephanotis floribunda
                                            Stephanotis volubilis
                                                   [Dregea formosana]
                                    Stigmatorhynchus
                                            Stigmatorhynchus umbellifer
                                                   [Marsdenia umbellifera]
                                    Stomatostemma
                                            Stomatostemma monteiroae
                                                   [Cryptolepis monteiroae]
                                            Stomatostemma pendulina
                                    Strempeliopsis
                                            Strempeliopsis arborea
                                            Strempeliopsis strempelioides
                                                   [Rauvolfia strempelioides]
                                    Streptocaulon
                                            Streptocaulon cumingii
                                                   [Anodendron corymbosum]
                                            Streptocaulon juventas
                                                   [Streptocaulon tomentosum]
                                            Streptocaulon parviflorum
                                                   [Periploca parviflora]
                                            Streptocaulon wallichii
                                                   [Streptocaulon baumii]
                                    Streptotrachelus
                                    Strobopetalum
                                    Strophanthus
                                            Strophanthus alterniflorus
                                            Strophanthus amboensis
                                                   [Strophanthus demeusei]
                                                   [Strophanthus gossweileri]
                                                   [Strophanthus hirsutus]
                                                   [Strophanthus intermedius]
                                                   [Strophanthus longicalyx]
                                                   [Strophanthus paxii]
                                                   [Strophanthus petersianus var. amboensis]
                                                   [Strophanthus schuchardtii]
                                            Strophanthus angusii
                                            Strophanthus arnoldianus
                                            Strophanthus barteri
                                            Strophanthus bequaertii
                                            Strophanthus boivinii
                                            Strophanthus bullenianus
                                                   [Strophanthus erythroleucus]
                                                   [Strophanthus schlechteri]
                                                   [Strophanthus wildemanianus]
                                            Strophanthus caudatus
                                                   [Strophanthus cumingii]
                                                   [Strophanthus dichotomus]
                                            Strophanthus congoensis
                                                   [Strophanthus intermedius var. bieleri]
                                            Strophanthus courmontii
                                                   [Strophanthus courmontii var. fallax]
                                                   [Strophanthus courmontii var. kirkii]
                                            Strophanthus divaricatus
                                            Strophanthus divergens
                                            Strophanthus eminii
                                                   [Strophanthus eminii var. wittei]
                                                   [Strophanthus fischeri]
                                                   [Strophanthus stuhlmannii]
                                                   [Strophanthus wittei]
                                            Strophanthus gardeniiflorus
                                            Strophanthus gerrardii
                                            Strophanthus gracilis
                                                   [Strophanthus klainei]
                                                   [Strophanthus scaber]
                                            Strophanthus gratus
                                            Strophanthus hispidus
                                                   [Strophanthus bariba]
                                                   [Strophanthus hispidus var. bosere]
                                                   [Strophanthus hispidus var. latistigmatica]
                                                   [Strophanthus hispidus var. lobatistigmatica]
                                                   [Strophanthus hispidus var. parvistigmatica]
                                                   [Strophanthus hispidus var. seidenii]
                                                   [Strophanthus niger]
                                                   [Strophanthus tchabe]
                                                   [Strophanthus thierreanus]
                                            Strophanthus holosericeus
                                            Strophanthus hypoleucos
                                            Strophanthus kombe
                                                   [Strophanthus hispidus var. kombe]
                                            Strophanthus ledienii
                                                   [Strophanthus kombe var. ledienii]
                                            Strophanthus luteolus
                                            Strophanthus minor
                                            Strophanthus mirabilis
                                            Strophanthus mortehanii
                                            Strophanthus nicholsonii
                                                   [Strophanthus asper]
                                            Strophanthus parviflorus
                                                   [Strophanthus dewevrei]
                                            Strophanthus perakensis
                                            Strophanthus petersianus
                                                   [Strophanthus grandiflorus]
                                                   [Strophanthus petersianus var. grandiflorus]
                                                   [Strophanthus sarmentosus var. verrucosus]
                                                   [Strophanthus verrucosus]
                                            Strophanthus preussii
                                                   [Strophanthus bracteatus]
                                                   [Strophanthus preussii var. brevifolius]
                                                   [Strophanthus preussii var. scabridulus]
                                            Strophanthus sarmentosus
                                              Strophanthus sarmentosus var. glabriflorus
                                                     [Strophanthus glabriflorus]
                                              Strophanthus sarmentosus var. sarmentosus
                                                     [Strophanthus laurifolius]
                                                     [Strophanthus ogovensis]
                                                     [Strophanthus paroissei]
                                                     [Strophanthus pendulus]
                                                     [Strophanthus punctiferus]
                                                     [Strophanthus sarmentosus f. paroissei]
                                                     [Strophanthus sarmentosus f. senegambiae]
                                                     [Strophanthus sarmentosus var. major]
                                                     [Strophanthus sarmentosus var. pendulus]
                                                     [Strophanthus sarmentosus var. pubescens]
                                                     [Strophanthus senegambiae]
                                            Strophanthus schultzei
                                            Strophanthus singaporianus
                                            Strophanthus speciosus
                                                   [Christya speciosa]
                                                   [Strophanthus capensis]
                                            Strophanthus thollonii
                                                   [Strophanthus pierreanus]
                                            Strophanthus vanderijstii
                                            Strophanthus wallichii
                                            Strophanthus welwitschii
                                                   [Strophanthus ecaudatus]
                                                   [Strophanthus gilletii]
                                                   [Strophanthus katangensis]
                                                   [Strophanthus parvifolius]
                                                   [Strophanthus verdickii var. latisepalus]
                                                   [Strophanthus verdickii]
                                                   [Zygonerion welwitschii]
                                            Strophanthus wightianus
                                            Strophanthus zimmermannianus
                                    Stultitia
                                    Suberogerens
                                    Swynnertonia
                                    Taberna
                                    Tabernaemontana
                                            Tabernaemontana africana
                                                   [Conopharyngia chippii]
                                                   [Conopharyngia longiflora]
                                                   [Tabernaemontana chippii]
                                                   [Tabernaemontana longiflora]
                                            Tabernaemontana alba
                                                   [Tabernaemontana amblyocarpa]
                                                   [Tabernaemontana martensii]
                                                   [Tabernaemontana paisavelensis]
                                                   [Tabernaemontana umbellata]
                                            Tabernaemontana alfaroi
                                            Tabernaemontana allenii
                                                   [Stemmadenia allenii]
                                            Tabernaemontana alternifolia
                                                   [Tabernaemontana heyneana]
                                            Tabernaemontana amplifolia
                                            Tabernaemontana amygdalifolia
                                                   [Tabernaemontana acapulcensis]
                                                   [Tabernaemontana deamii]
                                            Tabernaemontana angulata
                                                   [Anacampta angulata]
                                            Tabernaemontana apoda
                                            Tabernaemontana arborea
                                                   [Peschiera arborea]
                                                   [Tabernaemontana schippii]
                                            Tabernaemontana attenuata
                                                   [Anartia meyeri]
                                                   [Tabernaemontana meyeri]
                                            Tabernaemontana aurantiaca
                                            Tabernaemontana australis
                                            Tabernaemontana bouquetii
                                                   [Camerunia bouquetii]
                                            Tabernaemontana bovina
                                            Tabernaemontana brachyantha
                                                   [Conopharyngia brachyantha]
                                            Tabernaemontana bufalina
                                                   [Tabernaemontana luensis]
                                            Tabernaemontana cathariensis
                                            Tabernaemontana catharinensis
                                                   [Peschiera catharinensis]
                                                   [Tabernaemontana affinis]
                                                   [Tabernaemontana hilariana]
                                            Tabernaemontana cerifera
                                                   [Pagiantha cerifera]
                                            Tabernaemontana chrysocarpa
                                            Tabernaemontana citrifolia
                                                   [Tabernaemontana lanceolata]
                                                   [Tabernaemontana oppositifolia]
                                            Tabernaemontana coffeoides
                                            Tabernaemontana columbiensis
                                            Tabernaemontana contorta
                                                   [Conopharyngia contorta]
                                                   [Sarcopharyngia contorta]
                                            Tabernaemontana cordata
                                            Tabernaemontana coriacea
                                                   [Anacampta pendula]
                                                   [Tabernaemontana congesta]
                                                   [Tabernaemontana luciliae]
                                                   [Tabernaemontana submollis]
                                            Tabernaemontana corymbosa
                                                   [Pagiantha corymbosa]
                                            Tabernaemontana crassa
                                                   [Conopharyngia crassa]
                                                   [Conopharyngia durissima]
                                                   [Conopharyngia jollyana]
                                                   [Conopharyngia macrosiphon]
                                                   [Conopharyngia smithii var. brevituba]
                                                   [Conopharyngia smithii]
                                                   [Conopharyngia thonneri var. demeusei]
                                                   [Conopharyngia thonneri var. lescrauwaetii]
                                                   [Conopharyngia thonneri]
                                                   [Gabunia dorotheae]
                                                   [Gabunia gentilii]
                                                   [Sarcopharyngia crassa]
                                                   [Sarcopharyngia gentilii]
                                                   [Tabernaemontana durissima]
                                                   [Tabernaemontana smithii]
                                                   [Tabernaemontana thonneri]
                                            Tabernaemontana crassifolia
                                            Tabernaemontana cuspidata
                                            Tabernaemontana cymosa
                                                   [Peschiera concinna]
                                                   [Tabernaemontana arcuata]
                                                   [Tabernaemontana concinna]
                                                   [Tabernaemontana psychotriifolia]
                                            Tabernaemontana dichotoma
                                            Tabernaemontana disticha
                                                   [Bonafousia disticha]
                                            Tabernaemontana divaricata
                                                   [Ervatamia coronaria]
                                                   [Ervatamia divaricata]
                                                   [Ervatamia flabelliformis]
                                                   [Nerium coronarium]
                                                   [Nerium divaricatum]
                                                   [Tabernaemontana coronaria]
                                                   [Tabernaemontana recurva]
                                            Tabernaemontana donnell-smithii
                                            Tabernaemontana eglandulosa
                                                   [Gabunia brachypoda]
                                                   [Gabunia crispiflora]
                                                   [Gabunia eglandulosa]
                                                   [Gabunia latifolia]
                                                   [Gabunia longiflora]
                                                   [Gabunia macrocalyx]
                                                   [Gabunia macrocarpa]
                                                   [Tabernaemontana brachypoda]
                                                   [Tabernaemontana chartacea]
                                                   [Tabernaemontana crispiflora]
                                                   [Tabernaemontana eglandulosa var. macrocalyx]
                                                   [Tabernaemontana latifolia]
                                            Tabernaemontana elegans
                                                   [Conopharyngia elegans]
                                                   [Leptopharyngia elegans]
                                            Tabernaemontana eubracteata
                                                   [Stemmadenia eubracteata]
                                            Tabernaemontana flavicans
                                                   [Anartia flavicans]
                                                   [Tabernaemontana olivacea]
                                            Tabernaemontana fragrans
                                            Tabernaemontana glabra
                                                   [Bignonia obovata]
                                                   [Stemmadenia calycina]
                                                   [Stemmadenia mollis]
                                                   [Stemmadenia obovata var. mollis]
                                            Tabernaemontana glandulosa
                                                   [Gabunia glandulosa]
                                            Tabernaemontana grandiflora
                                            Tabernaemontana granulosa
                                            Tabernaemontana hallei
                                                   [Gabunia hallei]
                                            Tabernaemontana hannae
                                            Tabernaemontana heterophylla
                                                   [Stenosolen heterophyllus]
                                                   [Tabernaemontana stenoloba]
                                            Tabernaemontana hystrix
                                                   [Tabernaemontana fuchsiifolia]
                                            Tabernaemontana inconspicua
                                                   [Pterotaberna inconspicua]
                                            Tabernaemontana laeta
                                            Tabernaemontana lagenaria
                                            Tabernaemontana laurifolia
                                            Tabernaemontana letestui
                                                   [Gabunia letestui]
                                                   [Protogabunia latifolia]
                                                   [Protogabunia letestui]
                                            Tabernaemontana linkii
                                                   [Tabernaemontana myriantha]
                                            Tabernaemontana litoralis
                                                   [Stemmadenia bella]
                                                   [Stemmadenia greenmanii]
                                                   [Stemmadenia insignis]
                                                   [Stemmadenia litoralis]
                                                   [Stemmadenia macrophylla]
                                            Tabernaemontana longipes
                                                   [Tabernaemontana costaricensis]
                                                   [Tabernaemontana pendula]
                                            Tabernaemontana macrocalyx
                                                   [Tabernaemontana muelleriana]
                                            Tabernaemontana macrocarpa
                                            Tabernaemontana macrophylla
                                            Tabernaemontana markgrafiana
                                            Tabernaemontana maxima
                                            Tabernaemontana muricata
                                            Tabernaemontana oaxacana
                                            Tabernaemontana ochoterenae
                                            Tabernaemontana ochroleuca
                                            Tabernaemontana odontadeniiflora
                                            Tabernaemontana odoratissima
                                                   [Gabunia odoratissima]
                                            Tabernaemontana orientalis
                                            Tabernaemontana ovalifolia
                                            Tabernaemontana pachysiphon
                                                   [Conopharyngia angolensis]
                                                   [Conopharyngia cumminsii]
                                                   [Conopharyngia holstii]
                                                   [Conopharyngia pachysiphon]
                                                   [Sarcopharyngia angolensis]
                                                   [Tabernaemontana angolensis]
                                                   [Tabernaemontana holstii]
                                                   [Voacanga dichotoma]
                                            Tabernaemontana palustris
                                            Tabernaemontana panamensis
                                            Tabernaemontana pandacaqui
                                                   [Ervatamia floribunda var. villosiuscula]
                                                   [Ervatamia floribunda]
                                                   [Ervatamia pandacaqui]
                                                   [Ervatamia parviflora]
                                                   [Tabernaemontana arborescens]
                                                   [Tabernaemontana biflora]
                                                   [Tabernaemontana capsicoides]
                                                   [Tabernaemontana congestiflora]
                                                   [Tabernaemontana cumingiana]
                                                   [Tabernaemontana mollis]
                                                   [Tabernaemontana subglobosa]
                                            Tabernaemontana pauciflora
                                                   [Tabernaemontana malaccensis]
                                                   [Tabernaemontana polysperma]
                                            Tabernaemontana peduncularis
                                                   [Ervatamia peduncularis]
                                            Tabernaemontana penduliflora
                                                   [Camerunia penduliflora]
                                                   [Conopharyngia penduliflora]
                                            Tabernaemontana persicariifolia
                                                   [Tabernaemontana mauritiana]
                                            Tabernaemontana polyneura
                                            Tabernaemontana psorocarpa
                                                   [Gabunia psorocarpa]
                                            Tabernaemontana retusa
                                            Tabernaemontana robinsonii
                                                   [Stemmadenia lagunae]
                                                   [Stemmadenia macrantha]
                                                   [Stemmadenia minima]
                                            Tabernaemontana rostrata
                                            Tabernaemontana rotensis
                                            Tabernaemontana rupicola
                                            Tabernaemontana salzmanni
                                            Tabernaemontana salzmannii
                                            Tabernaemontana sananho
                                                   [Bonafousia sananho]
                                            Tabernaemontana simulans
                                                   [Stemmadenia simulans]
                                            Tabernaemontana siphilitica
                                                   [Bonafousia juruana]
                                                   [Bonafousia killipii]
                                                   [Bonafousia siphilitica]
                                                   [Bonafousia tetrastachya]
                                                   [Peschiera echinata]
                                                   [Tabernaemontana hirtula]
                                                   [Tabernaemontana tetrastachya]
                                            Tabernaemontana sphaerocarpa
                                            Tabernaemontana stapfiana
                                                   [Conopharyngia bequaertii]
                                                   [Conopharyngia johnstonii var. grandiflora]
                                                   [Conopharyngia johnstonii]
                                                   [Conopharyngia stapfiana]
                                                   [Sarcopharyngia stapfiana]
                                                   [Tabernaemontana johnstonii]
                                            Tabernaemontana stenosiphon
                                                   [Conopharyngia stenosiphon]
                                            Tabernaemontana tomentosa
                                                   [Stemmadenia decipiens]
                                                   [Stemmadenia sinaloana]
                                            Tabernaemontana undulata
                                                   [Anacampta albescens]
                                                   [Stemmadenia nervosa]
                                                   [Tabernaemontana albescens]
                                            Tabernaemontana vanheurckii
                                                   [Peschiera vanheurckii]
                                            Tabernaemontana ventricosa
                                                   [Conopharyngia rutshurensis]
                                                   [Conopharyngia ventricosa]
                                                   [Domkeocarpa pendula]
                                                   [Sarcopharyngia ventricosa]
                                                   [Tabernaemontana usambarensis]
                                            Tabernaemontana wullschlaegelii
                                                   [Tabernaemontana glaucescens]
                                                   [Tabernaemontana lactea]
                                    Tacazzea
                                            Tacazzea apiculata
                                                   [Tacazzea apiculata var. benedicta]
                                                   [Tacazzea apiculata var. glabra]
                                                   [Tacazzea bagshawei var. occidentalis]
                                                   [Tacazzea bagshawei]
                                                   [Tacazzea barteri]
                                                   [Tacazzea brazzaeana]
                                                   [Tacazzea kirkii]
                                                   [Tacazzea nigritana]
                                                   [Tacazzea stipularis]
                                                   [Tacazzea thollonii]
                                                   [Tacazzea verticillata]
                                                   [Tacazzea welwitschii]
                                            Tacazzea conferta
                                                   [Tacazzea floribunda]
                                                   [Tacazzea galactagoga]
                                            Tacazzea rosmarinifolia
                                                   [Aechmolepis rosmarinifolia]
                                                   [Tacazzea oleander]
                                                   [Tacazzea salicina]
                                                   [Tacazzea venosa subsp. rosmarinifolia]
                                            Tacazzea venosa
                                                   [Periploca venosa]
                                                   [Tacazzea martini]
                                                   [Tacazzea venosa var. martini]
                                    Tapeinostelma
                                    Tassadia
                                            Tassadia aristata
                                                   [Ditassa aristata]
                                            Tassadia berteriana
                                                   [Sattadia stenoloba]
                                            Tassadia decalepis
                                                   [Stenomeria decalepis]
                                                   [Stenomeria tomentosa]
                                            Tassadia guianensis
                                            Tassadia kamaensis
                                            Tassadia milanezii
                                            Tassadia obovata
                                                   [Tassadia apocynella]
                                                   [Tassadia recurva]
                                            Tassadia ovalifolia
                                            Tassadia propinqua
                                                   [Tassadia sprucei]
                                            Tassadia trailiana
                                    Tavaresia
                                            Tavaresia angolensis
                                                   [Decabelone elegans]
                                                   [Decabelone sieberi]
                                                   [Huernia tavaresii]
                                                   [Stapelia digitaliflora]
                                            Tavaresia barklyi
                                            Tavaresia thompsoniorum
                                    Telminostelma
                                            Telminostelma foetidum
                                                   [Cynanchum jamaicense]
                                                   [Rouliniella foetida]
                                                   [Rouliniella lignosa]
                                    Telosiphonia
                                            Telosiphonia hesperia
                                            Telosiphonia hypoleuca
                                            Telosiphonia lanuginosa
                                              Telosiphonia lanuginosa var. lanuginosa
                                            Telosiphonia macrosiphon
                                            Telosiphonia nacapulensis
                                    Telosma
                                            Telosma africana
                                                   [Pergularia sanguinolenta]
                                                   [Pergularia tacazzeana]
                                                   [Telosma tacazzeanum]
                                                   [Telosma unyorensis]
                                            Telosma cordata
                                                   [Telosma minor]
                                                   [Telosma pallida]
                                            Telosma filipes
                                                   [Pergularia filipes]
                                            Telosma puberula
                                                   [Pergularia puberula]
                                    Temnadenia
                                            Temnadenia odorifera
                                            Temnadenia stellaris
                                            Temnadenia violacea
                                    Tenaris
                                            Tenaris browniana
                                    Tephea
                                    Tetradoa
                                    Tetraphysa
                                    Thenardia
                                            Thenardia chiapensis
                                            Thenardia floribunda
                                                   [Thenardia suaveolens]
                                                   [Thenardia tubulifera]
                                            Thenardia galeottiana
                                                   [Thenardia gonoloboides]
                                    Thevetia
                                            Thevetia ahouai
                                                   [Plumeriopsis ahouai]
                                                   [Thevetia nitida]
                                            Thevetia bicornuta
                                                   [Thevetia paraguayensis]
                                            Thevetia gaumeri
                                            Thevetia ovata
                                            Thevetia peruviana
                                                   [Cascabela thevetia]
                                                   [Cerbera thevetia]
                                                   [Thevetia neriifolia]
                                            Thevetia plumeriaefolia
                                            Thevetia thevetioides
                                    Thoreauea
                                            Thoreauea guerrerensis
                                            Thoreauea paneroi
                                    Thyrsanthella
                                            Thyrsanthella difformis
                                                   [Forsteronia difformis]
                                                   [Trachelospermum difforme]
                                    Thyrsanthus
                                    Tintinnabularia
                                            Tintinnabularia gratissima
                                            Tintinnabularia mortonii
                                    Tonduzia
                                            Tonduzia longifolia
                                                   [Alstonia pittieri]
                                                   [Carissa verticillata]
                                                   [Rauvolfia longifolia]
                                                   [Rauvolfia stenophylla]
                                                   [Tonduzia longipedunculata]
                                                   [Tonduzia parvifolia]
                                                   [Tonduzia pittieri]
                                            Tonduzia stenophylla
                                                   [Alstonia stenophylla]
                                    Torresea
                                    Toxicophlaea
                                    Toxocarpus
                                            Toxocarpus elmeri
                                            Toxocarpus himalensis
                                            Toxocarpus kleinii
                                            Toxocarpus longipetalus
                                            Toxocarpus villosus
                                            Toxocarpus wightianus
                                                   [Toxocarpus ovalifolius]
                                    Trachelospermum
                                            Trachelospermum asiaticum
                                                   [Trachelospermum crocostomum]
                                            Trachelospermum axillare
                                            Trachelospermum bodinieri
                                            Trachelospermum bowringii
                                            Trachelospermum cuneatum
                                            Trachelospermum gracilipes
                                              Trachelospermum gracilipes var. liukiuense
                                                     [Trachelospermum foetidum]
                                            Trachelospermum jasminoides
                                                   [Rhynchospermum jasminoides]
                                                   [Trachelospermum divaricatum]
                                                   [Trachelospermum jasminoides var. heterophyllum]
                                            Trachelospermum lucidum
                                                   [Ichnocarpus fragrans]
                                                   [Trachelospermum fragrans]
                                    Trachomitum
                                            Trachomitum lancifolium
                                    Trachycalymma
                                    Traunia
                                    Trichocaulon
                                    Trichosacme
                                            Trichosacme lanata
                                    Trichostelma
                                    Tweedia
                                           [Turrigera]
                                            Tweedia birostrata
                                                   [Oxypetalum confertiflorum]
                                            Tweedia brunonis
                                                   [Turrigera halophila]
                                                   [Turrigera inconspicua]
                                            Tweedia hookeri
                                            Tweedia solanoides
                                                   [Oxypetalum solanoides]
                                    Tylodontia
                                            Tylodontia cubensis
                                            Tylodontia fuscula
                                                   [Amphistelma filiforme]
                                                   [Metastelma fusculum]
                                            Tylodontia urceolata
                                                   [Metastelma ovalifolium]
                                    Tylophora
                                            Tylophora floribunda
                                            Tylophora grandiflora
                                            Tylophora indica
                                            Tylophora polyantha
                                            Tylophora samoensis
                                            Tylophora tanakae
                                            Tylophora tenuis
                                    Tylophoropsis
                                            Tylophoropsis heterophylla
                                    Urceola
                                            Urceola brachysepala
                                                   [Carruthersia imberbis]
                                                   [Chavannesia imberbis]
                                                   [Chavannesia philippinensis]
                                                   [Urceola imberbis]
                                            Urceola laevigata
                                                   [Parameria barbata]
                                                   [Parameria philippinensis]
                                            Urceola laevis
                                                   [Carruthersia laevis]
                                            Urceola lucida
                                                   [Urceola esculenta]
                                            Urceola micrantha
                                                   [Ecdysanthera brachiata]
                                                   [Ecdysanthera utilis]
                                            Urceola minutiflora
                                            Urceola napeensis
                                            Urceola polymorpha
                                                   [Aganonerion polymorphum]
                                            Urceola rosea
                                                   [Ecdysanthera rosea]
                                            Urceola torulosa
                                            Urceola tournieri
                                    Urechites
                                            Urechites andrieuxii
                                            Urechites lutea
                                              Urechites lutea var. lutea
                                              Urechites lutea var. sericea
                                            Urechites pinetorum
                                              Urechites luteus var. luteus
                                    Urostephanus
                                    Vahadenia
                                            Vahadenia caillei
                                                   [Landolphia caillei]
                                            Vahadenia laurentii
                                                   [Landolphia laurentii var. grandiflora]
                                                   [Landolphia laurentii]
                                                   [Vahadenia laurentii f. obtusifolia]
                                                   [Vahadenia laurentii var. grandiflora]
                                                   [Vahadenia talbotii]
                                    Vahea
                                    Vailia
                                            Vailia anomala
                                                   [Marsdenia gracilis]
                                            Vailia mucronata
                                            Vailia salicina
                                                   [Blepharodon triviale]
                                                   [Ditassa trivialis]
                                    Vallaris
                                            Vallaris solanacea
                                                   [Peltanthera solanacea]
                                                   [Vallaris dichotoma]
                                                   [Vallaris heynei]
                                    Vallesia
                                           [Moritzia]
                                            Vallesia antillana
                                            Vallesia aurantiaca
                                                   [Vallesia flexuosa]
                                                   [Vallesia mexicana]
                                            Vallesia conzattii
                                            Vallesia glabra
                                                   [Vallesia chiococcoides]
                                                   [Vallesia dichotoma]
                                              Vallesia glabra var. glabra
                                            Vallesia laciniata
                                                   [Vallesia baileyana]
                                            Vallesia montana
                                            Vallesia sinaloensis
                                            Vallesia spectabilis
                                    Vilbouchevitchia
                                    Vinca
                                            Vinca acutiflora
                                            Vinca difformis
                                            Vinca erecta
                                            Vinca herbacea
                                                   [Vinca libanotica]
                                            Vinca major
                                                   [Vinca major var. variegata]
                                              Vinca major subsp. hirsuta
                                                     [Vinca pubescens]
                                              Vinca major subsp. major
                                                     [Vinca grandiflora]
                                            Vinca media
                                            Vinca minor
                                    Vincetoxicum
                                            Vincetoxicum acuminatum
                                                   [Cynanchum acuminatifolium]
                                            Vincetoxicum adenocardium
                                            Vincetoxicum amplifolium
                                            Vincetoxicum anomalum
                                                   [Cynanchum chirindense]
                                                   [Cynanchum papillosum]
                                            Vincetoxicum apiculatum
                                                   [Tylophora apiculata]
                                            Vincetoxicum arachnoideum
                                                   [Tylophora arachnoidea]
                                            Vincetoxicum aristolochioides
                                                   [Tylophora aristolochioides]
                                            Vincetoxicum arnottianum
                                                   [Cynanchum arnottianum]
                                            Vincetoxicum atratum
                                            Vincetoxicum baldwynianum
                                            Vincetoxicum barbatum
                                                   [Tylophora barbata]
                                            Vincetoxicum caffrum
                                                   [Gongronema welwitschii]
                                                   [Gymnema melananthum]
                                                   [Sphaerocodon angolensis]
                                                   [Sphaerocodon caffrum]
                                                   [Sphaerocodon melananthus]
                                                   [Sphaerocodon natalense]
                                                   [Sphaerocodon obtusifolium]
                                                   [Tylophora caffra]
                                            Vincetoxicum calcaratum
                                            Vincetoxicum cameroonicum
                                                   [Tylophora cameroonica]
                                                   [Tylophora glauca]
                                            Vincetoxicum canescens
                                              Vincetoxicum canescens subsp. canescens
                                                     [Cynanchum glaucum]
                                            Vincetoxicum carolinense
                                            Vincetoxicum cernuum
                                                   [Astephanus arenarius]
                                                   [Astephanus cernuus]
                                                   [Astephanus recurvatus]
                                                   [Microstephanus cernuus]
                                                   [Periploca ovata]
                                                   [Pleurostelma cernuum]
                                                   [Pleurostelma grevei]
                                            Vincetoxicum changqinianum
                                                   [Asclepias paniculata]
                                            Vincetoxicum chekiangense
                                                   [Cynanchum chekiangense]
                                            Vincetoxicum cinerascens
                                                   [Tylophora cinerascens]
                                            Vincetoxicum cissoides
                                                   [Tylophora cissoides]
                                            Vincetoxicum congolanum
                                                   [Nanostelma congolanum]
                                                   [Schizoglossum glanvillei]
                                                   [Tylophora congolana]
                                                   [Tylophora orthocaulis]
                                            Vincetoxicum conspicuum
                                                   [Tylophora conspicua]
                                                   [Tylophora zenkeri]
                                            Vincetoxicum coriaceum
                                                   [Pentarrhinum coriaceum]
                                                   [Pentarrhinum iringense]
                                                   [Tylophora erubescens]
                                                   [Tylophora iringensis]
                                                   [Tylophoropsis erubescens]
                                            Vincetoxicum crassifolium
                                            Vincetoxicum dahomense
                                                   [Tylophora dahomensis]
                                                   [Tylophora minutiflora]
                                            Vincetoxicum diplostigma
                                                   [Diplostigma canescens]
                                            Vincetoxicum elegans
                                                   [Cynanchum elegans]
                                            Vincetoxicum erectum
                                                   [Tylophora erecta]
                                            Vincetoxicum fleckii
                                                   [Tylophora fleckii]
                                                   [Tylophoropsis fleckii]
                                            Vincetoxicum flexuosum
                                                   [Tylophora flexuosa]
                                              Vincetoxicum flexuosum var. perrottetianum
                                                     [Tylophora merrillii]
                                            Vincetoxicum forrestii
                                                   [Cynanchum forrestii]
                                            Vincetoxicum fruticulosum
                                                   [Blyttia arabica]
                                                   [Blyttia fruticulosum]
                                                   [Cynanchum defoliascens]
                                                   [Cynanchum fruticulosum]
                                                   [Cynanchum microstegium]
                                            Vincetoxicum gilletii
                                                   [Tylophora gilletii]
                                                   [Tylophora smilacina]
                                            Vincetoxicum govanii
                                                   [Tylophora govanii]
                                            Vincetoxicum gracillimum
                                                   [Tylophora gracillima]
                                            Vincetoxicum grandiflorum
                                            Vincetoxicum grandifolium
                                                   [Cynanchum grandifolium]
                                            Vincetoxicum hastulatum
                                            Vincetoxicum heterophylla
                                                   [Cynanchum roseum]
                                                   [Gymnema longepedunculata]
                                                   [Sphaerocodon longipedunculatum]
                                                   [Tylophora heterophylla]
                                                   [Tylophora longepedunculata]
                                                   [Tylophora yemensis]
                                                   [Tylophoropsis yemense]
                                            Vincetoxicum heterophyllum
                                            Vincetoxicum hirsutum
                                                   [Tylophora hirsuta]
                                                   [Tylophora hispida var. brownii]
                                                   [Tylophora hispida]
                                            Vincetoxicum hirundinaria
                                              Vincetoxicum hirundinaria subsp. adriaticum
                                                     [Cynanchum adriaticum]
                                              Vincetoxicum hirundinaria subsp. hirundinaria
                                                     [Vincetoxicum album]
                                                     [Vincetoxicum officinale var. luteolum]
                                                     [Vincetoxicum officinale var. ochroleucum]
                                                     [Vincetoxicum officinale var. petrophilum]
                                            Vincetoxicum hookerianum
                                                   [Tylophora macrantha]
                                            Vincetoxicum inamoenum
                                                   [Cynanchum inamoenum]
                                            Vincetoxicum indicum
                                                   [Tylophora asthmatica]
                                            Vincetoxicum inhambanense
                                            Vincetoxicum jacquemontianum
                                                   [Cynanchum jacquemontianum]
                                            Vincetoxicum japonicum
                                            Vincetoxicum lesueurii
                                            Vincetoxicum lindleyi
                                                   [Tylophora ovata]
                                            Vincetoxicum lineare
                                                   [Pentatropis atropurpurea]
                                                   [Pentatropis quinquepartita]
                                                   [Rhyncharrhena quinquepartita]
                                            Vincetoxicum lugardiae
                                                   [Tylophora corollae]
                                                   [Tylophora lugardiae]
                                            Vincetoxicum mexicanum
                                            Vincetoxicum mongolicum
                                                   [Cynanchum hancockianum]
                                            Vincetoxicum nikoense
                                                   [Cynanchum nikoense]
                                            Vincetoxicum obliquum
                                            Vincetoxicum oblongum
                                                   [Oncostemma cuspidatum]
                                                   [Secamone conostyla]
                                                   [Tylophora ampliflora]
                                                   [Tylophora anfracta]
                                                   [Tylophora liberica]
                                                   [Tylophora oblonga]
                                                   [Tylophora plagiopetala]
                                            Vincetoxicum oculatum
                                                   [Tylophora deightonii]
                                                   [Tylophora oculata]
                                            Vincetoxicum officinale
                                            Vincetoxicum otophyllum
                                                   [Cynanchum otophyllum]
                                            Vincetoxicum paniculatum
                                                   [Cynanchum paniculatum]
                                                   [Pycnostelma chinense]
                                            Vincetoxicum parvum
                                                   [Tylophora parvifolia]
                                            Vincetoxicum pilosum
                                            Vincetoxicum platypodum
                                                   [Sphaerocodon platypodum]
                                            Vincetoxicum polyanthum
                                                   [Tylophora benthamii]
                                            Vincetoxicum productum
                                            Vincetoxicum pubescens
                                            Vincetoxicum pumilum
                                                   [Alexitoxicon pumilum]
                                                   [Cynanchum pumilum]
                                            Vincetoxicum purpureum
                                                   [Cynanchum purpureum]
                                            Vincetoxicum rossicum
                                                   [Cynanchum medium]
                                                   [Vincetoxicum medium]
                                            Vincetoxicum schimperi
                                                   [Astephanus schimperi]
                                                   [Pleurostelma schimperi]
                                                   [Podostelma schimperi]
                                            Vincetoxicum shortii
                                            Vincetoxicum silvestre
                                                   [Tylophora silvestris]
                                            Vincetoxicum sintenisii
                                            Vincetoxicum somaliense
                                                   [Goydera somaliensis]
                                            Vincetoxicum spirale
                                                   [Asclepias spiralis]
                                                   [Pentarrhinum fasciculatum]
                                                   [Pentatropis cynanchoides var. longepetiolata]
                                                   [Pentatropis cynanchoides var. senegalensis]
                                                   [Pentatropis fasciculatus]
                                                   [Pentatropis hoyoides]
                                                   [Pentatropis rigida]
                                                   [Pentatropis senegalensis]
                                            Vincetoxicum stauntonii
                                                   [Cynanchum linearifolium]
                                            Vincetoxicum stenolobum
                                                   [Astephanus stenolobus]
                                                   [Tylophora stenoloba]
                                            Vincetoxicum stephanotrichum
                                            Vincetoxicum stocksii
                                            Vincetoxicum sublanceolatum
                                                   [Cynanchum sublanceolatum]
                                              Vincetoxicum sublanceolatum var. macranthum
                                            Vincetoxicum sylvaticum
                                                   [Marsdenia profusa]
                                                   [Tylophora adalinae]
                                                   [Tylophora sylvatica]
                                            Vincetoxicum taihangense
                                                   [Cynanchum taihangense]
                                            Vincetoxicum taiwanense
                                                   [Tylophora taiwanensis]
                                            Vincetoxicum tenerrimum
                                                   [Tylophora tenerrima]
                                            Vincetoxicum tenuipedunculatum
                                                   [Tylophora congoensis]
                                                   [Tylophora gracilis]
                                                   [Tylophora tenuipedunculata]
                                            Vincetoxicum tridactylatum
                                                   [Tylophora tridactylata]
                                            Vincetoxicum urniflorum
                                                   [Tylophora urceolata]
                                            Vincetoxicum wootonii
                                            Vincetoxicum yamanakae
                                                   [Cynanchum yamanakae]
                                    Voacanga
                                            Voacanga africana
                                                   [Voacanga africana var. auriculata]
                                                   [Voacanga africana var. glabra]
                                                   [Voacanga africana var. lutescens]
                                                   [Voacanga africana var. typica]
                                                   [Voacanga amplexicaulis]
                                                   [Voacanga angolensis]
                                                   [Voacanga angustifolia]
                                                   [Voacanga bequaertii]
                                                   [Voacanga boehmii]
                                                   [Voacanga eketensis]
                                                   [Voacanga glaberrima]
                                                   [Voacanga glabra]
                                                   [Voacanga klainei]
                                                   [Voacanga lemosii]
                                                   [Voacanga lutescens]
                                                   [Voacanga magnifolia]
                                                   [Voacanga puberula]
                                                   [Voacanga schweinfurthii var. puberula]
                                                   [Voacanga schweinfurthii]
                                                   [Voacanga spectabilis]
                                            Voacanga bracteata
                                                   [Voacanga micrantha]
                                            Voacanga caudiflora
                                            Voacanga chalotiana
                                            Voacanga cornuta
                                            Voacanga densiflora
                                            Voacanga diplochlamys
                                                   [Voacanga talbotii]
                                            Voacanga globosa
                                            Voacanga grandifolia
                                            Voacanga lanceolata
                                                   [Voacanga bracteata var. lanceolata]
                                            Voacanga pachyceras
                                            Voacanga psilocalyx
                                                   [Voacanga bracteata var. zenkeri]
                                                   [Voacanga zenkeri]
                                            Voacanga thouarsii
                                                   [Annularia natalensis]
                                                   [Cyclostigma natalense]
                                                   [Orchipeda dregei]
                                                   [Orchipeda thouarsii]
                                                   [Piptolaena dregei]
                                                   [Tabernaemontana thouarsii]
                                                   [Voacanga dregei]
                                                   [Voacanga obtusa]
                                                   [Voacanga obtusata]
                                                   [Voacanga thouarsii var. dregei]
                                                   [Voacanga thouarsii var. obtusa]
                                    Wattakaka
                                            Wattakaka volubilis
                                    Whitesloanea
                                            Whitesloanea crassa
                                                   [Caralluma crassa]
                                                   [Drakebrockmania crassa]
                                    Willughbeia
                                            Willughbeia angustifolia
                                                   [Willughbeia elmeri]
                                            Willughbeia coriacea
                                            Willughbeia edulis
                                            Willughbeia flavescens
                                            Willughbeia tenuiflora
                                    Woodia
                                    Woytkowskia
                                    Wrightia
                                            Wrightia angustifolia
                                            Wrightia antidysenterica
                                            Wrightia arborea
                                                   [Wrightia mollissima]
                                                   [Wrightia tomentosa]
                                                   [Wrightia wallichii]
                                            Wrightia candollei
                                            Wrightia coccinea
                                            Wrightia demartiniana
                                                   [Piaggiaea boranensis]
                                                   [Piaggiaea demartiniana]
                                                   [Wrightia boranensis]
                                            Wrightia hainanensis
                                            Wrightia hanleyi
                                            Wrightia laevis
                                            Wrightia natalensis
                                            Wrightia pubescens
                                              Wrightia pubescens subsp. lanitii
                                                     [Wrightia lanitii]
                                                     [Wrightia ovata]
                                              Wrightia pubescens subsp. pubescens
                                                     [Wrightia annamensis]
                                            Wrightia religiosa
                                            Wrightia tinctoria
                                            Wrightia viridiflora
                                            Wrightia zeylanica
                                    Xysmalobium
                                            Xysmalobium andongense
                                                   [Asclepias tricorniculata]
                                                   [Schizoglossum tricorniculatum]
                                            Xysmalobium banjoense
                                            Xysmalobium clavatum
                                            Xysmalobium congoense
                                            Xysmalobium convalariiflorum
                                            Xysmalobium decipiens
                                                   [Xysmalobium holubyi]
                                            Xysmalobium fraternum
                                            Xysmalobium gossweileri
                                            Xysmalobium gramineum
                                            Xysmalobium heudelotianum
                                                   [Gomphocarpus rubioides]
                                                   [Schizoglossum heudelotianum]
                                                   [Schizoglossum truncatulum]
                                                   [Xysmalobium reticulatum]
                                                   [Xysmalobium schumannianum]
                                            Xysmalobium holubii
                                            Xysmalobium involucratum
                                                   [Gomphocarpus involucratus]
                                            Xysmalobium kaessneri
                                            Xysmalobium membraniferum
                                            Xysmalobium obscurum
                                            Xysmalobium parviflorum
                                            Xysmalobium patulum
                                            Xysmalobium podostelma
                                            Xysmalobium rhodesianum
                                            Xysmalobium rhomboideum
                                            Xysmalobium samoritourei
                                            Xysmalobium sessile
                                                   [Gomphocarpus sessilis]
                                            Xysmalobium stockenstromense
                                            Xysmalobium stocksii
                                            Xysmalobium tenue
                                            Xysmalobium undulatum
                                              Xysmalobium undulatum var. ensifolium
                                                     [Xysmalobium ensifolium]
                                              Xysmalobium undulatum var. undulatum
                                                     [Asclepias leucotricha]
                                                     [Asclepias undulata]
                                                     [Woodia trilobata]
                                                     [Xysmalobium amplifolium]
                                                     [Xysmalobium barbigerum]
                                                     [Xysmalobium dilatatum]
                                                     [Xysmalobium dispar]
                                                     [Xysmalobium lapathifolium]
                                                     [Xysmalobium leucotrichum]
                                                     [Xysmalobium prismatostigma]
                                                     [Xysmalobium taschdjiani]
                                                     [Xysmalobium trilobatum]
                                    Zacateza
                                            Zacateza pedicellata
                                                   [Tacazzea pedicellata var. occidentalis]
                                                   [Tacazzea pedicellata]
                                                   [Tacazzea racemosus]
                                    Zaczatea
                                    Zschokkea
                                    Zucchellia
                                    Zygodia
                                    Zygonerion
                                    × Carapelia
                                    × Orbeopelia

Problematic Rooting (205840)
                                              Nerium indicum subsp. indicum
                                                     [Nerium odorum]

Problematic Rooting (205853)
                                              Philibertia cynanchoides var. subtruncata

Problematic Rooting (246142)
                                              Ceropegia racemosa var. racemosa
                                              Ceropegia racemosa var. tanganyikensis
                                              Ceropegia racemosa var. voiensis

Problematic Rooting (398014)
                                              Brachystelma simplex subsp. simplex

Problematic Rooting (401868)
                                                  Huernia macrocarpa f. macrocarpa
                                                         [Huernia macrocarpa var. cerasina]
                                                         [Huernia macrocarpa var. flavicoronata]
                                                         [Huernia penzigii var. schweinfurthii]
                                                         [Stapelia macrocarpa]
                                                  Huernia macrocarpa f. schimperi
                                                         [Huernia penzigii var. schimperi]
                                              Huernia macrocarpa subsp. harerghensis
                                                     [Huernia macrocarpa subsp. concinna]
                                              Huernia macrocarpa subsp. macrocarpa
                                              Huernia macrocarpa var. macrocarpa

Problematic Rooting (429214)
                                              Huernia guttata subsp. reticulata
                                                     [Stapelia reticulata var. deformis]
                                                     [Stapelia reticulata]