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    Tracheophyta
           [Tracheobionta]
    Spermatophyta
      Magnoliophyta
             [Angiospermae]
         Eudicots
             Core Eudicots
               Asterids
               Lamiids
                    Gentianales
                            <b>Apocynaceae</b>
                                   [Asclepiadaceae]
                                     <i>Acerates</i>
                                             <i>Acerates angustifolia</i>
                                             <i>Acerates cordifolia</i>
                                             <i>Acerates hirtella</i>
                                             <i>Acerates latifolia</i>
                                             <i>Acerates monocephala</i>
                                             <i>Acerates pringlei</i>
                                             <i>Acerates rusbyi</i>
                                             <i>Acerates tomentosa</i>
                                     <i>Acokanthera</i>
                                             <i>Acokanthera laevigata</i>
                                             <i>Acokanthera lycioides</i>
                                             <i>Acokanthera oblongifolia</i>
                                                   [Acokanthera spectabilis]
                                                   [Carissa oblongifolia]
                                                   [Carissa spectabilis]
                                                   [Strychnos oblongifolia]
                                                   [Toxicophlaea spectabilis]
                                             <i>Acokanthera oppositifolia</i>
                                                   [Acokanthera lamarkii]
                                                   [Acokanthera longiflora]
                                                   [Acokanthera rhodesica]
                                                   [Carissa acokanthera]
                                                   [Carissa longiflora]
                                                   [Carissa oppositifolia]
                                                   [Garcinia sciura]
                                             <i>Acokanthera rotundata</i>
                                                   [Acokanthera schimperi var. rotundata]
                                             <i>Acokanthera schimperi</i>
                                                   [Acokanthera abyssinica]
                                                   [Acokanthera deflersii]
                                                   [Acokanthera friesiorum]
                                                   [Acokanthera ouabaio]
                                                   [Carissa deflersii]
                                                   [Carissa friesiorum]
                                                   [Carissa schimperi]
                                                   [Strychnos abyssinica]
                                             <i>Acokanthera venenata</i>
                                     <i>Adenium</i>
                                             <i>Adenium multiflorum</i>
                                                   [Adenium obesum subsp. multiflorum]
                                                   [Adenium obesum var. multiflorum]
                                             <i>Adenium obesum</i>
                                                   [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]
                                               <i>Adenium obesum subsp. boehmianum</i>
                                                     [Adenium boehmianum]
                                               <i>Adenium obesum subsp. obesum</i>
                                                     [Adenium arabicum]
                                                     [Adenium coetaneum]
                                             <i>Adenium swazicum</i>
                                                   [Adenium boehmianum var. swazicum]
                                                   [Adenium obesum subsp. swazicum]
                                     <i>Aechmolepis</i>
                                     <i>Aganonerion</i>
                                     <i>Aganosma</i>
                                             <i>Aganosma acuminata</i>
                                             <i>Aganosma cymosa</i>
                                               <i>Aganosma cymosa var. cymosa</i>
                                               <i>Aganosma cymosa var. elegans</i>
                                                     [Aganosma elegans]
                                             <i>Aganosma gracilis</i>
                                             <i>Aganosma schlechteriana</i>
                                     <i>Ahouai</i>
                                             <i>Ahouai nitida</i>
                                     <i>Aidomene</i>
                                     <i>Aladenia</i>
                                     <i>Alafia</i>
                                             <i>Alafia barteri</i>
                                                   [Alafia giraudii]
                                                   [Alafia giraultii]
                                             <i>Alafia benthamii</i>
                                               <i>Alafia benthamii var. benthamii</i>
                                                     [Ectinocladus benthamii]
                                               <i>Alafia benthamii var. mediafra</i>
                                             <i>Alafia caudata</i>
                                               <i>Alafia caudata subsp. caudata</i>
                                                     [Alafia butayei]
                                                     [Alafia sarmentosa]
                                               <i>Alafia caudata subsp. latiloba</i>
                                             <i>Alafia congolana</i>
                                             <i>Alafia conica</i>
                                             <i>Alafia erythrophthalma</i>
                                                   [Alafia gracilis]
                                                   [Alafia grandis]
                                                   [Tabernaemontana erythrophthalma]
                                             <i>Alafia falcata</i>
                                             <i>Alafia glabriflora</i>
                                             <i>Alafia lucida</i>
                                                   [Alafia cuneata]
                                                   [Alafia laxiflora]
                                                   [Alafia major]
                                                   [Alafia reticulata]
                                                   [Wrightia stuhlmannii]
                                             <i>Alafia microstylis</i>
                                                   [Alafia clusioides]
                                                   [Alafia swynnertonii]
                                             <i>Alafia multiflora</i>
                                                   [Alafia malouetioides]
                                                   [Holalafia densiflora]
                                                   [Holalafia multiflora]
                                             <i>Alafia orientalis</i>
                                             <i>Alafia parciflora</i>
                                             <i>Alafia scandens</i>
                                                   [Alafia landolphioides]
                                                   [Holarrhena landolphioides]
                                                   [Nerium scandens]
                                             <i>Alafia schumannii</i>
                                                   [Alafia bequaertii]
                                                   [Holalafia schumannii]
                                             <i>Alafia thouarsii</i>
                                             <i>Alafia ugandensis</i>
                                             <i>Alafia verschuerenii</i>
                                                   [Alafia klaineana]
                                             <i>Alafia whytei</i>
                                                   [Vilbouchevitchia atro-purpurea]
                                             <i>Alafia zambesiaca</i>
                                     <i>Alexia</i>
                                     <i>Allamanda</i>
                                             <i>Allamanda angustifolia</i>
                                             <i>Allamanda blanchetii</i>
                                                   [Allamanda violacea]
                                             <i>Allamanda calcicola</i>
                                             <i>Allamanda cathartica</i>
                                                   [Allamanda cathartica var. grandiflora]
                                                   [Allamanda cathartica var. hendersonii]
                                                   [Allamanda cathartica var. williamsii]
                                             <i>Allamanda doniana</i>
                                             <i>Allamanda hendersonii</i>
                                             <i>Allamanda martii</i>
                                             <i>Allamanda neriifolia</i>
                                             <i>Allamanda nobilis</i>
                                             <i>Allamanda oenotherifolia</i>
                                             <i>Allamanda polyantha</i>
                                             <i>Allamanda puberula</i>
                                             <i>Allamanda schottii</i>
                                                   [Allamanda cathartica var. schottii]
                                             <i>Allamanda weberbaueri</i>
                                     <i>Allomarkgrafia</i>
                                             <i>Allomarkgrafia brenesiana</i>
                                             <i>Allomarkgrafia campanulata</i>
                                             <i>Allomarkgrafia ovalis</i>
                                             <i>Allomarkgrafia plumeriiflora</i>
                                                   [Allomarkgrafia subtubulosa]
                                             <i>Allomarkgrafia tubiflora</i>
                                     <i>Allotoonia</i>
                                             <i>Allotoonia agglutinata</i>
                                                   [Echites agglutinatus]
                                     <i>Alstonia</i>
                                             <i>Alstonia actinophylla</i>
                                                   [Alstonia verticillosa]
                                             <i>Alstonia angustifolia</i>
                                             <i>Alstonia angustiloba</i>
                                             <i>Alstonia boonei</i>
                                             <i>Alstonia congensis</i>
                                                   [Alstonia congensis var. glabrata]
                                                   [Alstonia gilletii var. laurentii]
                                                   [Alstonia gilletii]
                                                   [Alstonia pedicellata]
                                                   [Pala scholaris]
                                             <i>Alstonia constricta</i>
                                             <i>Alstonia costata</i>
                                                   [Alstonia elliptica]
                                                   [Alstonia fragrans]
                                                   [Alstonia plumosa]
                                                   [Alstonia reineckeana]
                                                   [Alstonia vitiensis]
                                             <i>Alstonia deplanchei</i>
                                             <i>Alstonia iwahigensis</i>
                                             <i>Alstonia lanceolata</i>
                                             <i>Alstonia lenormandii</i>
                                             <i>Alstonia longifolia</i>
                                             <i>Alstonia macrophylla</i>
                                                   [Alstonia glabriflora]
                                                   [Alstonia subsessilis]
                                             <i>Alstonia muelleriana</i>
                                             <i>Alstonia neriifolia</i>
                                             <i>Alstonia parvifolia</i>
                                             <i>Alstonia rostrata</i>
                                                   [Alstonia glaucescens]
                                             <i>Alstonia scholaris</i>
                                                   [Echites scholaris]
                                             <i>Alstonia spatulata</i>
                                             <i>Alstonia spectabilis</i>
                                               <i>Alstonia spectabilis subsp. ophioxyloides</i>
                                                     [Alstonia ophioxyloides]
                                             <i>Alstonia venenata</i>
                                             <i>Alstonia villosa</i>
                                     <i>Alyxia</i>
                                             <i>Alyxia acuminata</i>
                                                   [Alyxia maluensis]
                                             <i>Alyxia angustifolia</i>
                                             <i>Alyxia annamensis</i>
                                             <i>Alyxia bracteolosa</i>
                                                   [Alyxia erythrosperma var. samoensis]
                                               <i>Alyxia bracteolosa var. angustifolia</i>
                                             <i>Alyxia buxifolia</i>
                                             <i>Alyxia concatenata</i>
                                                   [Alyxia monilifera]
                                                   [Alyxia quadrata]
                                                   [Paralstonia clusiacea]
                                             <i>Alyxia erythrosperma</i>
                                             <i>Alyxia fascicularis</i>
                                             <i>Alyxia gracilis</i>
                                                   [Hunteria gracilis]
                                             <i>Alyxia gynopogon</i>
                                             <i>Alyxia hainanensis</i>
                                             <i>Alyxia ilicifolia</i>
                                               <i>Alyxia ilicifolia subsp. magnifolia</i>
                                                     [Alyxia magnifolia]
                                             <i>Alyxia insularis</i>
                                             <i>Alyxia loeseneriana</i>
                                             <i>Alyxia marginata</i>
                                             <i>Alyxia markgrafii</i>
                                             <i>Alyxia monticola</i>
                                                   [Alyxia sibuyanensis]
                                             <i>Alyxia oleifolia</i>
                                             <i>Alyxia oliviformis</i>
                                               <i>Alyxia oliviformis var. lanceolata</i>
                                               <i>Alyxia oliviformis var. myrtillifolia</i>
                                               <i>Alyxia oliviformis var. oliviformis</i>
                                               <i>Alyxia oliviformis var. ovata</i>
                                             <i>Alyxia orophila</i>
                                             <i>Alyxia pilosa</i>
                                             <i>Alyxia racemosa</i>
                                             <i>Alyxia reinwardtii</i>
                                                   [Alyxia odorata]
                                                   [Alyxia pisiformis]
                                             <i>Alyxia ridleyana</i>
                                                   [Alyxia fragrans]
                                             <i>Alyxia rostrata</i>
                                             <i>Alyxia ruscifolia</i>
                                             <i>Alyxia sinensis</i>
                                                   [Alyxia levinei]
                                             <i>Alyxia sleumeri</i>
                                             <i>Alyxia spicata</i>
                                             <i>Alyxia stellata</i>
                                                   [Alyxia linearifolia]
                                                   [Alyxia scandens]
                                                   [Alyxia stellata var. deckeri]
                                             <i>Alyxia torresiana</i>
                                     <i>Amalocalyx</i>
                                             <i>Amalocalyx microlobus</i>
                                                   [Amalocalyx yunnanensis]
                                     <i>Ambelania</i>
                                             <i>Ambelania acida</i>
                                             <i>Ambelania duckei</i>
                                             <i>Ambelania occidentalis</i>
                                     <i>Amblyanthera</i>
                                     <i>Amblystigma</i>
                                             <i>Amblystigma cionophorum</i>
                                     <i>Ammocallis</i>
                                     <i>Ampelamus</i>
                                     <i>Amphineurion</i>
                                             <i>Amphineurion marginatum</i>
                                                   [Aganosma marginata]
                                                   [Aganosma velutina]
                                                   [Echites apoxys]
                                                   [Holarrhena procumbens]
                                     <i>Amphistelma</i>
                                             <i>Amphistelma scoparia</i>
                                     <i>Amphorella</i>
                                             <i>Amphorella castanea</i>
                                     <i>Amsonia</i>
                                             <i>Amsonia angustifolia</i>
                                             <i>Amsonia arizonica</i>
                                             <i>Amsonia ciliata</i>
                                               <i>Amsonia ciliata var. ciliata</i>
                                               <i>Amsonia ciliata var. ciliolata</i>
                                               <i>Amsonia ciliata var. filifolia</i>
                                               <i>Amsonia ciliata var. tenuifolia</i>
                                               <i>Amsonia ciliata var. texana</i>
                                                     [Amsonia angustifolia var. texana]
                                                     [Amsonia texana]
                                             <i>Amsonia elliptica</i>
                                             <i>Amsonia fugatei</i>
                                             <i>Amsonia grandiflora</i>
                                             <i>Amsonia hubrichtii</i>
                                             <i>Amsonia illustris</i>
                                             <i>Amsonia jonesii</i>
                                             <i>Amsonia kearneyana</i>
                                             <i>Amsonia latifolia</i>
                                             <i>Amsonia longiflora</i>
                                               <i>Amsonia longiflora var. longiflora</i>
                                               <i>Amsonia longiflora var. salpignantha</i>
                                               <i>Amsonia longiflora var. salpignatha</i>
                                             <i>Amsonia ludoviciana</i>
                                             <i>Amsonia orientalis</i>
                                                   [Rhazya orientalis]
                                             <i>Amsonia palmeri</i>
                                                   [Amsonia biformis]
                                                   [Amsonia hirtella var. hirtella]
                                                   [Amsonia hirtella var. pogonosepala]
                                                   [Amsonia hirtella]
                                                   [Amsonia pogonosepala]
                                                   [Amsonia standleyi]
                                             <i>Amsonia peeblesii</i>
                                             <i>Amsonia repens</i>
                                             <i>Amsonia rigida</i>
                                             <i>Amsonia salicifolia</i>
                                             <i>Amsonia salpignantha</i>
                                             <i>Amsonia tabernaemontana</i>
                                                   [Amsonia salicifolia var. ciliolata]
                                               <i>Amsonia tabernaemontana tabernaemontana</i>
                                               <i>Amsonia tabernaemontana var. gattingeri</i>
                                               <i>Amsonia tabernaemontana var. illustris</i>
                                               <i>Amsonia tabernaemontana var. repens</i>
                                               <i>Amsonia tabernaemontana var. salicifolia</i>
                                               <i>Amsonia tabernaemontana var. tabernaemontana</i>
                                                     [Amsonia amsonia]
                                                     [Amsonia glaberrima]
                                             <i>Amsonia tharpii</i>
                                             <i>Amsonia tomentosa</i>
                                               <i>Amsonia tomentosa var. stenophylla</i>
                                                     [Amsonia arenaria]
                                                     [Amsonia eastwoodiana]
                                               <i>Amsonia tomentosa var. tomentosa</i>
                                                     [Amsonia brevifolia var. brevifolia]
                                                     [Amsonia brevifolia var. tomentosa]
                                                     [Amsonia brevifolia]
                                     <i>Anacampta</i>
                                             <i>Anacampta riedelii</i>
                                     <i>Anantherix</i>
                                             <i>Anantherix connivens</i>
                                             <i>Anantherix viridis</i>
                                     <i>Anartia</i>
                                             <i>Anartia attenuata</i>
                                     <i>Ancylobothrys</i>
                                             <i>Ancylobothrys amoena</i>
                                                   [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]
                                             <i>Ancylobothrys petersiana</i>
                                                   [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]
                                             <i>Ancylobothrys pyriformis</i>
                                                   [Ancylobothrys gabonensis]
                                                   [Ancylobothrys robusta]
                                                   [Ancylobothrys trichantha]
                                                   [Aphanostylis robusta]
                                                   [Landolphia pyriformis]
                                                   [Landolphia robusta]
                                                   [Pacouria pyriformis]
                                                   [Pacouria robusta]
                                             <i>Ancylobothrys scandens</i>
                                                   [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]
                                             <i>Ancylobothrys tayloris</i>
                                                   [Landolphia pachyphylla]
                                                   [Landolphia tayloris]
                                     <i>Anechites</i>
                                             <i>Anechites nerium</i>
                                                   [Anechites asperuginis]
                                                   [Echites asperuginis]
                                     <i>Anemotrochus</i>
                                             <i>Anemotrochus eggersii</i>
                                                   [Cynanchum eggersii]
                                                   [Metastelma eggersii]
                                             <i>Anemotrochus viridivenius</i>
                                                   [Matelea viridivenia]
                                     <i>Angadenia</i>
                                             <i>Angadenia berteroi</i>
                                                   [Angadenia cubensis]
                                                   [Echites cubensis]
                                                   [Rhabdadenia berteroi]
                                                   [Rhabdadenia cubensis]
                                             <i>Angadenia lindeniana</i>
                                                   [Rhabdadenia lindeniana]
                                             <i>Angadenia sagrae</i>
                                             <i>Angadenia sagraei</i>
                                     <i>Angolluma</i>
                                             <i>Angolluma kulalensis</i>
                                     <i>Anisolobus</i>
                                     <i>Anisopus</i>
                                             <i>Anisopus efulensis</i>
                                                   [Marsdenia efulensis]
                                             <i>Anisopus mannii</i>
                                                   [Anisopus batesii]
                                                   [Anisopus bicoronatus]
                                                   [Anisopus rostriferus]
                                                   [Marsdenia batesii]
                                                   [Marsdenia bicoronata]
                                                   [Marsdenia rhynchogyna]
                                                   [Marsdenia rostrifera]
                                     <i>Anisotoma</i>
                                             <i>Anisotoma cordifolia</i>
                                                   [Cynanchum molle]
                                                   [Cynoctonum molle]
                                     <i>Anodendron</i>
                                             <i>Anodendron affine</i>
                                             <i>Anodendron affinis</i>
                                                   [Anodendron laeve]
                                             <i>Anodendron axillare</i>
                                             <i>Anodendron benthamianum</i>
                                                   [Formosia benthamiana]
                                             <i>Anodendron borneense</i>
                                             <i>Anodendron nervosum</i>
                                             <i>Anodendron oblongifolium</i>
                                             <i>Anodendron paniculatum</i>
                                                   [Echites parviflorus]
                                             <i>Anodendron parviflorum</i>
                                                   [Anodendron manubriatum]
                                             <i>Anodendron punctatum</i>
                                     <i>Anomalluma</i>
                                     <i>Anthoclitandra</i>
                                     <i>Antitoxicum</i>
                                     <i>Antura</i>
                                     <i>Aphanostylis</i>
                              Apocynoideae
                                     <i>Asketanthera</i>
                                             <i>Asketanthera calycosa</i>
                                             <i>Asketanthera dolichopetala</i>
                                             <i>Asketanthera ekmaniana</i>
                                             <i>Asketanthera picardae</i>
                                     <i>Bousigonia</i>
                                             <i>Bousigonia mekongensis</i>
                                     <i>Papuechites</i>
                                             <i>Papuechites aambe</i>
                                     <i>Sindechites</i>
                                     <i>Stipecoma</i>
                                             <i>Stipecoma peltigera</i>
                                     <i>Streptoechites</i>
                                             <i>Streptoechites chinensis</i>
                                                   [Sindechites chinensis]
                                     <i>Apocynum</i>
                                             <i>Apocynum androsaemifolium</i>
                                                   [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]
                                               <i>Apocynum androsaemifolium androsaemifolium</i>
                                               <i>Apocynum androsaemifolium subsp. androsaemifolium</i>
                                                     [Apocynum androsaemifolium var. pubescens]
                                               <i>Apocynum androsaemifolium subsp. pumilum</i>
                                                     [Apocynum molle]
                                                     [Apocynum pumilum var. typicum]
                                               <i>Apocynum androsaemifolium var. androsaemifolium</i>
                                             <i>Apocynum angustifolium</i>
                                             <i>Apocynum bicolor</i>
                                             <i>Apocynum calophyllum</i>
                                             <i>Apocynum cannabinum</i>
                                                   [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]
                                             <i>Apocynum cardiophyllum</i>
                                             <i>Apocynum cervinum</i>
                                             <i>Apocynum detonsum</i>
                                             <i>Apocynum frutescens</i>
                                             <i>Apocynum laurinum</i>
                                             <i>Apocynum lividum</i>
                                               <i>Apocynum lividum var. convallarium</i>
                                                     [Apocynum convallarium]
                                             <i>Apocynum myrianthum</i>
                                             <i>Apocynum nevadense</i>
                                             <i>Apocynum oliganthum</i>
                                             <i>Apocynum palustre</i>
                                             <i>Apocynum urceolifer</i>
                                             <i>Apocynum venetum</i>
                                             <i>Apocynum viarum</i>
                                             <i>Apocynum viride</i>
                                             <i>Apocynum × floribundum</i>
                                                   [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]
                                             <i>Apocynum ×floribundum</i>
                                                   [Apocynum ×leuconeuron]
                                     <i>Apteranthes</i>
                                             <i>Apteranthes burchardii</i>
                                               <i>Apteranthes burchardii subsp. burchardii</i>
                                               <i>Apteranthes burchardii subsp. maura</i>
                                             <i>Apteranthes europaea</i>
                                               <i>Apteranthes europaea subsp. europaea</i>
                                               <i>Apteranthes europaea subsp. maroccana</i>
                                               <i>Apteranthes europaea var. europaea</i>
                                             <i>Apteranthes joannis</i>
                                             <i>Apteranthes munbyana</i>
                                     <i>Araujia</i>
                                             <i>Araujia angustifolia</i>
                                             <i>Araujia brachystephana</i>
                                                   [Morrenia brachystephana]
                                             <i>Araujia herzogii</i>
                                                   [Morrenia herzogii]
                                             <i>Araujia hortorum</i>
                                             <i>Araujia odorata</i>
                                             <i>Araujia plumosa</i>
                                             <i>Araujia sericifera</i>
                                                   [Araujia albens]
                                                   [Araujia sericofera]
                                             <i>Araujia stormiana</i>
                                                   [Morrenia stormiana]
                                             <i>Araujia variegata</i>
                                                   [Morrenia connectens]
                                                   [Morrenia variegata]
                                     <i>Arduina</i>
                                             <i>Arduina bispinosa</i>
                              Asclepiadoideae
                                     <i>Atrostemma</i>
                                             <i>Atrostemma glaberrimum</i>
                                                   [Matelea glaberrima]
                                     <i>Chloropetalum</i>
                                             <i>Chloropetalum denticulatum</i>
                                                   [Cynanchum denticulatum]
                                                   [Gonolobus grenadensis]
                                                   [Gonolobus viridiflorus]
                                                   [Vincetoxicum viridiflorum]
                                     <i>Cosmostigma</i>
                                     <i>Eriostemma</i>
                                             <i>Eriostemma coronaria</i>
                                                   [Hoya coronaria]
                                             <i>Eriostemma madulidii</i>
                                                   [Hoya madulidii]
                                     <i>Glossostelma</i>
                                             <i>Glossostelma angolensis</i>
                                                   [Xysmalobium angolense]
                                             <i>Glossostelma brevilobum</i>
                                             <i>Glossostelma cabrae</i>
                                                   [Asclepias cabrae]
                                                   [Xysmalobium speciosum]
                                             <i>Glossostelma carsonii</i>
                                                   [Asclepias carsonii]
                                                   [Asclepias mashonensis]
                                                   [Gomphocarpus chlorojodina]
                                                   [Schizoglossum carsonii]
                                                   [Schizoglossum chlorojodinum]
                                                   [Schizoglossum kassneri]
                                                   [Schizoglossum lividiflorum]
                                                   [Xysmalobium carsonii]
                                             <i>Glossostelma ceciliae</i>
                                                   [Xysmalobium ceciliae]
                                             <i>Glossostelma erectum</i>
                                                   [Asclepias erecta]
                                             <i>Glossostelma lisianthoides</i>
                                                   [Asclepias congolensis]
                                                   [Asclepias dissoluta]
                                                   [Asclepias lisianthoides]
                                                   [Asclepias nemorensis]
                                                   [Chlorostelma fritillarioides]
                                                   [Gomphocarpus chironioides]
                                                   [Gomphocarpus lisianthoides]
                                                   [Schizoglossum macroglossum]
                                                   [Schizoglossum violaceum]
                                                   [Xysmalobium dissolutum]
                                                   [Xysmalobium fritillarioides]
                                             <i>Glossostelma msibiense</i>
                                             <i>Glossostelma nyikense</i>
                                             <i>Glossostelma rusapense</i>
                                             <i>Glossostelma spathulatum</i>
                                                   [Gomphocarpus spathulatus]
                                                   [Schizoglossum spathulatum]
                                                   [Xysmalobium bellum]
                                                   [Xysmalobium grande]
                                                   [Xysmalobium mildbraedii]
                                                   [Xysmalobium spathulatum]
                                             <i>Glossostelma xysmalobioides</i>
                                                   [Asclepias xysmalobioides]
                                     <i>Gongronema</i>
                                             <i>Gongronema gazense</i>
                                                   [Marsdenia gazensis]
                                     <i>Jasminanthes</i>
                                             <i>Jasminanthes mucronata</i>
                                             <i>Kanahia laniflora</i>
                                                   [Asclepias coarctata]
                                                   [Asclepias fluviatilis]
                                                   [Asclepias glaberrima]
                                                   [Asclepias laniflora]
                                                   [Asclepias rivalis]
                                                   [Gomphocarpus glaberrimus]
                                                   [Kanahia consimilis]
                                                   [Kanahia delilei]
                                                   [Kanahia forskalii]
                                                   [Kanahia glaberrima]
                                                   [Kanahia kaunah]
                                                   [Kanahia monroi]
                                     <i>Leichhardtia</i>
                                             <i>Leichhardtia ericoides</i>
                                             <i>Leichhardtia flavescens</i>
                                                   [Marsdenia flavescens]
                                             <i>Leichhardtia microlepis</i>
                                                   [Marsdenia microlepis]
                                             <i>Leichhardtia rostrata</i>
                                                   [Marsdenia rostrata]
                                             <i>Leichhardtia suaveolens</i>
                                                   [Marsdenia suaveolens]
                                             <i>Leichhardtia velutina</i>
                                                   [Marsdenia velutina]
                                             <i>Leichhardtia viridiflora</i>
                                                   [Marsdenia viridiflora]
                                     <i>Margaretta</i>
                                             <i>Margaretta rosea</i>
                                               <i>Margaretta rosea subsp. bidens</i>
                                                     [Margaretta holstii]
                                               <i>Margaretta rosea subsp. corallina</i>
                                               <i>Margaretta rosea subsp. cornetii</i>
                                                     [Margaretta cornetii var. pallida]
                                                     [Margaretta cornetii]
                                                     [Margaretta decipiens]
                                                     [Margaretta verdickii]
                                               <i>Margaretta rosea subsp. kilimanjarica</i>
                                               <i>Margaretta rosea subsp. occidentalis</i>
                                                     [Margaretta inopinata]
                                                     [Margaretta ledermannii var. foliosa]
                                                     [Margaretta ledermannii]
                                                     [Margaretta passargei]
                                               <i>Margaretta rosea subsp. orbicularis</i>
                                                     [Margaretta orbicularis]
                                                     [Margaretta pulchella]
                                               <i>Margaretta rosea subsp. rosea</i>
                                               <i>Margaretta rosea subsp. whytei</i>
                                                     [Margaretta whytei]
                                     <i>Matelea</i>
                                             <i>Matelea abbreviata</i>
                                             <i>Matelea acuminata</i>
                                                   [Orthosia acuminata]
                                             <i>Matelea acutissima</i>
                                                   [Vincetoxicum acutissimum]
                                             <i>Matelea alabamensis</i>
                                                   [Cyclodon alabamensis]
                                                   [Vincetoxicum alabamense]
                                             <i>Matelea alainii</i>
                                             <i>Matelea aliciae</i>
                                             <i>Matelea altatensis</i>
                                             <i>Matelea angustiloba</i>
                                                   [Gonolobus angustilobus]
                                             <i>Matelea annulata</i>
                                             <i>Matelea araneosa</i>
                                                   [Gonolobus araneosus]
                                             <i>Matelea atrocoronata</i>
                                             <i>Matelea atrostellata</i>
                                             <i>Matelea balbisii</i>
                                                   [Lachnostoma balbisii]
                                                   [Pherotrichis balbisii]
                                             <i>Matelea baldwyniana</i>
                                             <i>Matelea belizensis</i>
                                                   [Vincetoxicum belizense]
                                             <i>Matelea biflora</i>
                                                   [Gonolobus biflorus]
                                             <i>Matelea borinquensis</i>
                                             <i>Matelea brevicoronata</i>
                                             <i>Matelea calcarata</i>
                                             <i>Matelea calcicola</i>
                                                   [Gonolobus calcicola]
                                             <i>Matelea campechiana</i>
                                                   [Matelea mayana]
                                                   [Vincetoxicum campechianum]
                                             <i>Matelea carolinensis</i>
                                                   [Gonolobus carolinensis]
                                                   [Vincetoxicum acanthocarpos]
                                             <i>Matelea castanea</i>
                                             <i>Matelea chihuahuensis</i>
                                             <i>Matelea chrysantha</i>
                                                   [Vincetoxicum chrysanthum]
                                             <i>Matelea congesta</i>
                                                   [Gonolobus congestus]
                                             <i>Matelea correllii</i>
                                             <i>Matelea corrugata</i>
                                             <i>Matelea costaricensis</i>
                                             <i>Matelea costata</i>
                                             <i>Matelea crassifolia</i>
                                             <i>Matelea crenata</i>
                                                   [Vincetoxicum crenatum]
                                             <i>Matelea cyclophylla</i>
                                                   [Suberogerens cyclophylla]
                                             <i>Matelea cynanchoides</i>
                                             <i>Matelea decipiens</i>
                                                   [Gonolobus decipiens]
                                                   [Odontostephana decipiens]
                                             <i>Matelea decumbens</i>
                                             <i>Matelea denticulata</i>
                                                   [Cynanchum viridiflora]
                                                   [Cynanchum viridiflorum]
                                                   [Matelea viridiflora]
                                             <i>Matelea dictyantha</i>
                                             <i>Matelea dwyeri</i>
                                             <i>Matelea edwardsensis</i>
                                             <i>Matelea ekmanii</i>
                                             <i>Matelea elachyantha</i>
                                             <i>Matelea ferruginea</i>
                                             <i>Matelea flavidula</i>
                                                   [Gonolobus flavidulus]
                                             <i>Matelea floridana</i>
                                                   [Vincetoxicum floridanum]
                                             <i>Matelea fruticosa</i>
                                             <i>Matelea furvescens</i>
                                             <i>Matelea gentlei</i>
                                                   [Vincetoxicum gentlei]
                                             <i>Matelea gonoloboides</i>
                                                   [Urostephanus gonoloboides]
                                             <i>Matelea gracieae</i>
                                             <i>Matelea gracilis</i>
                                                   [Gonolobus gracilis]
                                             <i>Matelea greggii</i>
                                                   [Vincetoxicum greggii]
                                             <i>Matelea guatemalensis</i>
                                                   [Gonolobus velutinus var. calycinus]
                                             <i>Matelea haberi</i>
                                             <i>Matelea hastatula</i>
                                             <i>Matelea hastulata</i>
                                             <i>Matelea hemsleyana</i>
                                             <i>Matelea hirsuta</i>
                                                   [Macroscepis hirsuta]
                                             <i>Matelea hirtelliflora</i>
                                             <i>Matelea inconspicua</i>
                                             <i>Matelea inops</i>
                                             <i>Matelea ionantha</i>
                                             <i>Matelea lanata</i>
                                             <i>Matelea lanceolata</i>
                                                   [Gonolobus lanceolatus]
                                             <i>Matelea lehmannii</i>
                                                   [Gonolobus lehmannii]
                                             <i>Matelea lesueurii</i>
                                             <i>Matelea lilliputtiana</i>
                                             <i>Matelea macvaughiana</i>
                                             <i>Matelea magallanesii</i>
                                             <i>Matelea magnifolia</i>
                                                   [Bruceholstia magnifolia]
                                             <i>Matelea maritima</i>
                                                   [Asclepias maritima]
                                                   [Ibatia muricata]
                                             <i>Matelea medusae</i>
                                             <i>Matelea megacarpha</i>
                                             <i>Matelea meyeri</i>
                                             <i>Matelea micrantha</i>
                                             <i>Matelea molinarum</i>
                                             <i>Matelea nigrescens</i>
                                                   [Gonolobus nigrescens]
                                             <i>Matelea nummularia</i>
                                             <i>Matelea oaxacana</i>
                                                   [Gonolobus tristis]
                                             <i>Matelea obliqua</i>
                                                   [Cynanchum obliquum]
                                                   [Gonolobus hirsutus]
                                                   [Gonolobus obliquus var. shortii]
                                             <i>Matelea oblongata</i>
                                                   [Orthosia oblongata]
                                             <i>Matelea obovata</i>
                                             <i>Matelea orthosioides</i>
                                             <i>Matelea ovatifolia</i>
                                                   [Poicilla ovatifolia]
                                             <i>Matelea palustris</i>
                                                   [Matelea latifolia]
                                             <i>Matelea panamensis</i>
                                             <i>Matelea parviflora</i>
                                             <i>Matelea parvifolia</i>
                                                   [Gonolobus californicus]
                                                   [Gonolobus parvifolius]
                                             <i>Matelea patalensis</i>
                                             <i>Matelea pavonii</i>
                                             <i>Matelea pedalis</i>
                                             <i>Matelea pedunculata</i>
                                             <i>Matelea petiolaris</i>
                                                   [Gonolobus petiolaris]
                                             <i>Matelea phainops</i>
                                             <i>Matelea picturata</i>
                                                   [Vincetoxicum discolor]
                                                   [Vincetoxicum pittieri]
                                             <i>Matelea pilosa</i>
                                             <i>Matelea pinguifolia</i>
                                             <i>Matelea planiflora</i>
                                             <i>Matelea porphyrantha</i>
                                                   [Vincetoxicum porphyranthum]
                                             <i>Matelea pringlei</i>
                                                   [Himantostemma pringlei]
                                             <i>Matelea proctorii</i>
                                                   [Jacaima parvifolia]
                                             <i>Matelea producta</i>
                                                   [Gonolobus productus]
                                             <i>Matelea prosthecidiscus</i>
                                                   [Prosthecidiscus guatemalensis]
                                             <i>Matelea pseudobarbata</i>
                                                   [Gonolobus pseudobarbatus]
                                             <i>Matelea pubiflora</i>
                                             <i>Matelea pueblensis</i>
                                             <i>Matelea purpusii</i>
                                                   [Gonolobus purpusii]
                                             <i>Matelea pusilliflora</i>
                                             <i>Matelea quercetorum</i>
                                                   [Vincetoxicum quercetorum]
                                             <i>Matelea quirosii</i>
                                             <i>Matelea radiata</i>
                                             <i>Matelea reticulata</i>
                                                   [Dictyanthus reticulatus]
                                             <i>Matelea rivularis</i>
                                             <i>Matelea sagittifolia</i>
                                             <i>Matelea schaffneri</i>
                                                   [Gonolobus schaffneri]
                                             <i>Matelea scopulorum</i>
                                             <i>Matelea sepicola</i>
                                             <i>Matelea shortii</i>
                                             <i>Matelea sintenisii</i>
                                             <i>Matelea squiresii</i>
                                                   [Gonolobus squiresii]
                                             <i>Matelea stenosepala</i>
                                             <i>Matelea stergiosii</i>
                                             <i>Matelea suberifera</i>
                                                   [Gonolobus suberiferus]
                                             <i>Matelea sylvicola</i>
                                             <i>Matelea tamnifolia</i>
                                                   [Poicilla tamnifolia]
                                             <i>Matelea tenuis</i>
                                             <i>Matelea texensis</i>
                                             <i>Matelea tezcatlipocantha</i>
                                             <i>Matelea tigrina</i>
                                                   [Gonolobus tigrinus]
                                             <i>Matelea tinctoria</i>
                                             <i>Matelea trianae</i>
                                             <i>Matelea tristiflora</i>
                                                   [Vincetoxicum tristiflorum]
                                             <i>Matelea tuberosa</i>
                                             <i>Matelea tuerckheimii</i>
                                                   [Vincetoxicum trichoneuron]
                                             <i>Matelea umbellata</i>
                                             <i>Matelea urophylla</i>
                                             <i>Matelea variifolia</i>
                                                   [Gonolobus variifolius]
                                                   [Matelea varifolia]
                                                   [Vincetoxicum variifolium]
                                             <i>Matelea velutina</i>
                                                   [Gonolobus velutinus]
                                                   [Vincetoxicum velutinum]
                                             <i>Matelea velutinoides</i>
                                             <i>Matelea violacea</i>
                                             <i>Matelea woodsonii</i>
                                     <i>Morilloa</i>
                                             <i>Morilloa carassensis</i>
                                                   [Astephanus carassensis]
                                     <i>Phaeostemma</i>
                                     <i>Poicillopsis</i>
                                             <i>Poicillopsis crispiflora</i>
                                     <i>Pruskortizia</i>
                                             <i>Pruskortizia dasytricha</i>
                                                   [Matelea dasytricha]
                                             <i>Pruskortizia macrocarpa</i>
                                                   [Matelea macrocarpa]
                                     <i>Rhytidostemma</i>
                                             <i>Rhytidostemma viride</i>
                                               <i>Rhytidostemma viride subsp. viride</i>
                                                     [Matelea viridis]
                                     <i>Rotundanthus</i>
                                             <i>Rotundanthus fulvidus</i>
                                                   [Matelea fulvida]
                                                   [Matelea grandiflora]
                                     <i>Ruehssia</i>
                                             <i>Ruehssia altissima</i>
                                               <i>Ruehssia altissima subsp. altissima</i>
                                                     [Marsdenia ecorpuscula]
                                             <i>Ruehssia bourgaeana</i>
                                                   [Marsdenia bourgaeana]
                                             <i>Ruehssia callosa</i>
                                             <i>Ruehssia castillonii</i>
                                                   [Marsdenia castillonii]
                                             <i>Ruehssia clausa</i>
                                                   [Marsdenia campanulata]
                                                   [Marsdenia clausa var. campanulata]
                                                   [Marsdenia clausa]
                                                   [Pergularia clausa]
                                             <i>Ruehssia condensiflora</i>
                                                   [Marsdenia inelegans]
                                             <i>Ruehssia coulteri</i>
                                             <i>Ruehssia crassipes</i>
                                                   [Marsdenia crassipes]
                                             <i>Ruehssia cundurango</i>
                                               <i>Ruehssia cundurango subsp. cundurango</i>
                                                     [Gonolobus cundurango]
                                             <i>Ruehssia cuneata</i>
                                                   [Marsdenia cuneata]
                                             <i>Ruehssia dressleri</i>
                                                   [Marsdenia dressleri]
                                             <i>Ruehssia engleriana</i>
                                                   [Marsdenia engleriana]
                                             <i>Ruehssia gallardoae</i>
                                             <i>Ruehssia gualanensis</i>
                                                   [Marsdenia brenesii]
                                             <i>Ruehssia lanata</i>
                                                   [Marsdenia agnota]
                                                   [Marsdenia lanata]
                                             <i>Ruehssia laxiflora</i>
                                             <i>Ruehssia malmeana</i>
                                                   [Marsdenia malmeana]
                                             <i>Ruehssia mexicana</i>
                                                   [Marsdenia mexicana]
                                             <i>Ruehssia nicoyana</i>
                                                   [Marsdenia nicoyana]
                                             <i>Ruehssia olgamarthae</i>
                                                   [Marsdenia olgamarthae]
                                             <i>Ruehssia panamensis</i>
                                                   [Marsdenia panamensis]
                                             <i>Ruehssia parvifolia</i>
                                             <i>Ruehssia pinetorum</i>
                                                   [Marsdenia pinetorum]
                                             <i>Ruehssia propinqua</i>
                                             <i>Ruehssia pseudoedulis</i>
                                                   [Marsdenia blepharodes]
                                                   [Marsdenia pseudoedulis]
                                             <i>Ruehssia rotheana</i>
                                                   [Marsdenia rotheana]
                                             <i>Ruehssia rubrofusca</i>
                                                   [Marsdenia rubrofusca]
                                             <i>Ruehssia rzedowskiana</i>
                                                   [Marsdenia rzedowskiana]
                                             <i>Ruehssia sprucei</i>
                                                   [Marsdenia sprucei]
                                             <i>Ruehssia stephanotidifolia</i>
                                                   [Marsdenia stephanotidifolia]
                                             <i>Ruehssia steyermarkii</i>
                                                   [Marsdenia steyermarkii]
                                             <i>Ruehssia trivirgulata</i>
                                             <i>Ruehssia troyana</i>
                                                   [Marsdenia troyana]
                                             <i>Ruehssia tubularis</i>
                                                   [Marsdenia tubularis]
                                             <i>Ruehssia veronicae</i>
                                                   [Marsdenia veronicae]
                                             <i>Ruehssia weddellii</i>
                                                   [Marsdenia weddellii]
                                             <i>Ruehssia zimapanica</i>
                                                   [Marsdenia zimapanica]
                                     <i>Talayotea</i>
                                             <i>Talayotea caudata</i>
                                                   [Matelea caudata]
                                             <i>Talayotea trachyantha</i>
                                                   [Gonolobus caudatus var. trachyanthus]
                                                   [Matelea trachyantha]
                                     <i>Vulcanoa</i>
                                             <i>Vulcanoa steyermarkii</i>
                                                   [Matelea steyermarkii]
                                     <i>Asclepias</i>
               Asclepias F1 hybrid
                                             <i>Asclepias aceratoides</i>
                                             <i>Asclepias aequicornu</i>
                                             <i>Asclepias albens</i>
                                                   [Asclepias affinis]
                                                   [Gomphocarpus albens]
                                             <i>Asclepias albicans</i>
                                             <i>Asclepias albida</i>
                                             <i>Asclepias alpestris</i>
                                                   [Schizoglossum alpestre]
                                             <i>Asclepias amabilis</i>
                                                   [Gomphocarpus amabilis]
                                             <i>Asclepias ameliae</i>
                                                   [Asclepias pulchella]
                                                   [Gomphocarpus pulchellus]
                                                   [Trachycalymma pulchellum]
                                             <i>Asclepias amoena</i>
                                             <i>Asclepias amplexicaulis</i>
                                             <i>Asclepias amsonioides</i>
                                             <i>Asclepias angustifolia</i>
                                                   [Gomphocarpus angustifolius]
                                             <i>Asclepias apocynifolia</i>
                                             <i>Asclepias arenaria</i>
                                             <i>Asclepias arenicola</i>
                                             <i>Asclepias asperula</i>
                                               <i>Asclepias asperula asperula</i>
                                               <i>Asclepias asperula subsp. asperula</i>
                                                     [Acerates asperula]
                                               <i>Asclepias asperula subsp. capricornu</i>
                                                     [Acerates decumbens]
                                                     [Anantherix decumbens]
                                                     [Asclepias capricornu subsp. capricornu]
                                                     [Asclepias capricornu subsp. occidentalis]
                                                     [Asclepias capricornu]
                                                     [Asclepias decumbens]
                                               <i>Asclepias asperula var. asperula</i>
                                               <i>Asclepias asperula var. decumbens</i>
                                             <i>Asclepias atroviolacea</i>
                                             <i>Asclepias aurea</i>
                                                   [Aidomene parvula]
                                                   [Asclepias radiata]
                                               <i>Asclepias aurea var. vittata</i>
                                             <i>Asclepias barjoniifolia</i>
                                                   [Asclepias cochabambensis]
                                             <i>Asclepias baumii</i>
                                             <i>Asclepias bicknellii</i>
                                             <i>Asclepias bifida</i>
                                             <i>Asclepias boliviensis</i>
                                             <i>Asclepias brachystephana</i>
                                             <i>Asclepias brevianthera</i>
                                               <i>Asclepias brevianthera subsp. brevianthera</i>
                                               <i>Asclepias brevianthera subsp. minor</i>
                                             <i>Asclepias buchwaldii</i>
                                                   [Asclepias buchwaldii var. angustifolia]
                                                   [Gomphocarpus buchwaldii]
                                                   [Trachycalymma buchwaldii]
                                             <i>Asclepias californica</i>
                                                   [Gomphocarpus tomentosus var. xanti]
                                               <i>Asclepias californica californica</i>
                                               <i>Asclepias californica subsp. californica</i>
                                               <i>Asclepias californica subsp. greenei</i>
                                             <i>Asclepias campestris</i>
                                             <i>Asclepias candida</i>
                                             <i>Asclepias carnosa</i>
                                             <i>Asclepias cinerea</i>
                                                   [Enslenia cinerea]
                                             <i>Asclepias circinalis</i>
                                             <i>Asclepias cirrosa</i>
                                             <i>Asclepias coccinea</i>
                                             <i>Asclepias connivens</i>
                                                   [Acerates connivens]
                                                   [Anantherix verrucosa]
                                             <i>Asclepias consanguinea</i>
                                                   [Asclepias obtusifolia]
                                             <i>Asclepias constricta</i>
                                             <i>Asclepias contrayerba</i>
                                                   [Asclepias setosa]
                                             <i>Asclepias conzattii</i>
                                             <i>Asclepias cordifolia</i>
                                                   [Gomphocarpus cordifolius]
                                             <i>Asclepias coulteri</i>
                                                   [Asclepias tithymaloides]
                                             <i>Asclepias crassicoronata</i>
                                             <i>Asclepias crispa</i>
                                               <i>Asclepias crispa var. crispa</i>
                                             <i>Asclepias crocea</i>
                                             <i>Asclepias cryptoceras</i>
                                               <i>Asclepias cryptoceras subsp. cryptoceras</i>
                                               <i>Asclepias cryptoceras subsp. davisii</i>
                                               <i>Asclepias cryptoceras var. cryptoceras</i>
                                               <i>Asclepias cryptoceras var. davisii</i>
                                             <i>Asclepias cucullata</i>
                                               <i>Asclepias cucullata subsp. cucullata</i>
                                                     [Gomphocarpus cucullatus]
                                                     [Trachycalymma cucullatum]
                                               <i>Asclepias cucullata subsp. scabrifolia</i>
                                                     [Asclepias scabrifolia]
                                             <i>Asclepias curassavica</i>
                                                   [Asclepias nivea var. curassavica]
                                             <i>Asclepias curtissii</i>
                                             <i>Asclepias cutleri</i>
                                             <i>Asclepias davisii</i>
                                             <i>Asclepias debilis</i>
                                             <i>Asclepias densiflora</i>
                                             <i>Asclepias dependens</i>
                                                   [Gomphocarpus dependens]
                                             <i>Asclepias dregeana</i>
                                               <i>Asclepias dregeana var. calceola</i>
                                                     [Asclepias calceolus]
                                                     [Asclepias dregeana var. sordida]
                                             <i>Asclepias edentata</i>
                                             <i>Asclepias elata</i>
                                             <i>Asclepias elegantula</i>
                                             <i>Asclepias eminens</i>
                                                   [Gomphocarpus eminens]
                                                   [Stenostelma eminens]
                                             <i>Asclepias emoryi</i>
                                                   [Asclepias bartlettiana]
                                                   [Podostemma leoninum]
                                             <i>Asclepias engelmanniana</i>
                                                   [Acerates auriculata]
                                                   [Asclepias auriculata]
                                             <i>Asclepias eriocarpa</i>
                                                   [Asclepias eriocarpa var. microcarpa]
                                                   [Asclepias fremontii]
                                             <i>Asclepias erosa</i>
                                                   [Asclepias leucophylla]
                                                   [Asclepias rothrockii]
                                             <i>Asclepias euphorbiifolia</i>
                                             <i>Asclepias exaltata</i>
                                             <i>Asclepias exilis</i>
                                             <i>Asclepias fallax</i>
                                             <i>Asclepias fascicularis</i>
                                                   [Asclepias mexicana]
                                             <i>Asclepias feayi</i>
                                                   [Acerates feayi]
                                                   [Asclepiodora feayi]
                                             <i>Asclepias fimbriata</i>
                                                   [Trachycalymma fimbriatum]
                                             <i>Asclepias foliosa</i>
                                                   [Asclepias endotrachys]
                                                   [Asclepias lepida]
                                                   [Asclepias minuta]
                                                   [Asclepias modesta var. foliosa]
                                                   [Asclepias modesta var. modesta]
                                                   [Asclepias modesta]
                                                   [Gomphocarpus foliosus]
                                                   [Trachycalymma foliosum]
                                             <i>Asclepias fournieri</i>
                                                   [Acerates gomphocarpoides]
                                                   [Asclepias grayi]
                                             <i>Asclepias fruticosa</i>
                                             <i>Asclepias fulva</i>
                                                   [Asclepias rubicunda]
                                                   [Gomphocarpus marginatus]
                                                   [Gomphocarpus viridiflorus]
                                                   [Pachycarpus fulvus]
                                                   [Pachycarpus viridiflorus]
                                                   [Xysmalobium viridiflorum]
                                             <i>Asclepias gentryi</i>
                                             <i>Asclepias gibba</i>
                                             <i>Asclepias glaucescens</i>
                                             <i>Asclepias graminifolia</i>
                                                   [Pachycarpus graminifolius]
                                                   [Trachycalymma graminifolium]
                                             <i>Asclepias grandirandii</i>
                                             <i>Asclepias graogramanii</i>
                                             <i>Asclepias hallii</i>
                                             <i>Asclepias hirtella</i>
                                             <i>Asclepias humilis</i>
                                                   [Acerates humilis]
                                             <i>Asclepias humistrata</i>
                                             <i>Asclepias hybrida</i>
                                             <i>Asclepias hypoleuca</i>
                                                   [Gomphocarpus hypoleucus]
                                             <i>Asclepias inaequalis</i>
                                             <i>Asclepias incarnata</i>
                                                   [Asclepias incarnata var. longifolia]
                                               <i>Asclepias incarnata incarnata</i>
                                               <i>Asclepias incarnata subsp. incarnata</i>
                                                     [Asclepias incarnata f. albiflora]
                                                     [Asclepias incarnata var. glabra]
                                               <i>Asclepias incarnata subsp. pulchra</i>
                                               <i>Asclepias incarnata var. incarnata</i>
                                               <i>Asclepias incarnata var. neoscotica</i>
                                               <i>Asclepias incarnata var. pulchra</i>
                                             <i>Asclepias intermedia</i>
                                             <i>Asclepias involucrata</i>
                                             <i>Asclepias jaliscana</i>
                                             <i>Asclepias jorgeana</i>
                                             <i>Asclepias kamerunensis</i>
                                                   [Gomphocarpus kamerunensis]
                                             <i>Asclepias kansana</i>
                                             <i>Asclepias kotolo</i>
                                             <i>Asclepias labriformis</i>
                                             <i>Asclepias lanceolata</i>
                                                   [Asclepias paupercula]
                                               <i>Asclepias lanceolata var. paupercula</i>
                                             <i>Asclepias lanuginosa</i>
                                                   [Acerates lanuginosa]
                                             <i>Asclepias latifolia</i>
                                                   [Asclepias obtusifolia var. latifolia]
                                             <i>Asclepias laurifolia</i>
                                             <i>Asclepias laxiflora</i>
                                                   [Otaria laxiflora]
                                             <i>Asclepias lemmonii</i>
                                             <i>Asclepias leptopus</i>
                                             <i>Asclepias linaria</i>
                                                   [Asclepias pinifolia]
                                             <i>Asclepias linearis</i>
                                             <i>Asclepias linifolia</i>
                                             <i>Asclepias longifolia</i>
                                                   [Acerates delticola]
                                                   [Acerates floridana]
                                                   [Acerates longifolia]
                                                   [Asclepias floridana]
                                                   [Polyotus longifolius]
                                               <i>Asclepias longifolia subsp. hirtella</i>
                                               <i>Asclepias longifolia subsp. longifolia</i>
                                               <i>Asclepias longifolia var. hirtella</i>
                                               <i>Asclepias longifolia var. longifolia</i>
                                             <i>Asclepias longirostra</i>
                                             <i>Asclepias longissima</i>
                                                   [Gomphocarpus longissimus]
                                             <i>Asclepias lynchiana</i>
                                                   [Asclepias grandiflora]
                                             <i>Asclepias macrantha</i>
                                             <i>Asclepias macropus</i>
                                             <i>Asclepias macrosperma</i>
                                                   [Asclepias involucrata var. tomentosa]
                                             <i>Asclepias macrotis</i>
                                             <i>Asclepias macroura</i>
                                             <i>Asclepias masonii</i>
                                             <i>Asclepias mcvaughii</i>
                                             <i>Asclepias meadii</i>
                                             <i>Asclepias melantha</i>
                                             <i>Asclepias meliodora</i>
                                                   [Schizoglossum theileri]
                                             <i>Asclepias mellodora</i>
                                                   [Asclepias hassleriana]
                                                   [Asclepias nervosa]
                                             <i>Asclepias michauxii</i>
                                             <i>Asclepias minor</i>
                                                   [Odontostelma minus]
                                                   [Odontostelma welwitschii]
                                             <i>Asclepias minutiflora</i>
                                                   [Trachycalymma minutiflorum]
                                             <i>Asclepias mirifica</i>
                                             <i>Asclepias mtorwiensis</i>
                                             <i>Asclepias multicaulis</i>
                                             <i>Asclepias neglecta</i>
                                             <i>Asclepias nigra</i>
                                             <i>Asclepias nivea</i>
                                             <i>Asclepias notha</i>
                                             <i>Asclepias nummularia</i>
                                             <i>Asclepias nuttii</i>
                                                   [Stathmostelma nuttii]
                                             <i>Asclepias nyctaginifolia</i>
                                             <i>Asclepias nyctaginifolia x standleyi</i>
                                             <i>Asclepias obovata</i>
                                             <i>Asclepias occidentalis</i>
                                             <i>Asclepias oenotheroides</i>
                                                   [Asclepias brevicornu]
                                                   [Asclepias lindheimeri]
                                                   [Asclepias longicornu]
                                                   [Podostemma australe]
                                                   [Podostemma helleri]
                                             <i>Asclepias otarioides</i>
                                             <i>Asclepias ovalifolia</i>
                                                   [Asclepias nuttalliana]
                                             <i>Asclepias ovata</i>
                                             <i>Asclepias palustris</i>
                                                   [Asclepias cristata]
                                                   [Gomphocarpus cristatus]
                                                   [Gomphocarpus palustris]
                                                   [Trachycalymma cristatum]
                                             <i>Asclepias pedicellata</i>
                                                   [Podostigma pubescens]
                                             <i>Asclepias pellucida</i>
                                             <i>Asclepias perennis</i>
                                                   [Asclepias parvula]
                                                   [Matelea laevis]
                                               <i>Asclepias perennis var. parvula</i>
                                             <i>Asclepias physocarpa</i>
                                                   [Gomphocarpus physocarpus]
                                             <i>Asclepias phytolaccoides</i>
                                             <i>Asclepias pilgeriana</i>
                                                   [Asclepias flava]
                                             <i>Asclepias pratensis</i>
                                             <i>Asclepias pringlei</i>
                                             <i>Asclepias prostrata</i>
                                             <i>Asclepias pseudoamabilis</i>
                                             <i>Asclepias pseudofimbriata</i>
                                                   [Trachycalymma pseudofimbriatum]
                                             <i>Asclepias pseudorubricaulis</i>
                                             <i>Asclepias puberula</i>
                                             <i>Asclepias pulchra</i>
                                             <i>Asclepias pumila</i>
                                                   [Asclepias verticillata var. pumila]
                                             <i>Asclepias purpurascens</i>
                                             <i>Asclepias pygmaea</i>
                                             <i>Asclepias quadrifolia</i>
                                             <i>Asclepias quinquedentata</i>
                                                   [Asclepias palmeri]
                                             <i>Asclepias rafaelensis</i>
                                             <i>Asclepias randii</i>
                                             <i>Asclepias rolfsii</i>
                                             <i>Asclepias rosea</i>
                                             <i>Asclepias rubra</i>
                                                   [Asclepias lancifolia]
                                             <i>Asclepias rusbyi</i>
                                                   [Asclepias engelmanniana var. rusbyi]
                                             <i>Asclepias ruthiae</i>
                                                   [Asclepias eastwoodiana]
                                                   [Asclepias uncialis subsp. ruthiae]
                                                   [Asclepias uncialis var. ruthiae]
                                             <i>Asclepias sanjuanensis</i>
                                             <i>Asclepias scaposa</i>
                                             <i>Asclepias schaffneri</i>
                                                   [Asclepias zacatecana]
                                             <i>Asclepias scheryi</i>
                                             <i>Asclepias schizoglossoides</i>
                                             <i>Asclepias schumanniana</i>
                                                   [Asclepias gossweileri]
                                                   [Asclepias rubella]
                                                   [Gomphocarpus amoenus]
                                                   [Gomphocarpus roseus]
                                                   [Trachycalymma amoenum]
                                             <i>Asclepias senecionifolia</i>
                                             <i>Asclepias shabaensis</i>
                                                   [Trachycalymma shabaense]
                                             <i>Asclepias similis</i>
                                                   [Asclepias alticola]
                                                   [Asclepias bidentata]
                                             <i>Asclepias solanoana</i>
                                             <i>Asclepias solstitialis</i>
                                                   [Gomphocarpus solstitialis]
                                             <i>Asclepias speciosa</i>
                                                   [Asclepias giffordii]
                                             <i>Asclepias sperryi</i>
                                             <i>Asclepias sphacelata</i>
                                                   [Gomphocarpus sphacelatus]
                                             <i>Asclepias standleyi</i>
                                             <i>Asclepias stathmostelmoides</i>
                                                   [Stathmostelma verdickii]
                                             <i>Asclepias stellifera</i>
                                             <i>Asclepias stenophylla</i>
                                             <i>Asclepias subaphylla</i>
                                             <i>Asclepias suberosa</i>
                                             <i>Asclepias subulata</i>
                                             <i>Asclepias subverticillata</i>
                                                   [Asclepias galioides]
                                             <i>Asclepias subviridis</i>
                                             <i>Asclepias suffrutex</i>
                                             <i>Asclepias sullivantii</i>
                                             <i>Asclepias syriaca</i>
                                                   [Asclepias cornuti]
                                                   [Asclepias syriaca f. leucantha]
                                               <i>Asclepias syriaca var. kansana</i>
                                             <i>Asclepias tanganyikensis</i>
                                                   [Gomphocarpus tanganyikensis]
                                             <i>Asclepias texana</i>
                                             <i>Asclepias tomentosa</i>
                                             <i>Asclepias tuberosa</i>
                                               <i>Asclepias tuberosa subsp. interior</i>
                                                     [Asclepias tuberosa f. lutea]
                                                     [Asclepias tuberosa subsp. terminalis]
                                                     [Asclepias tuberosa var. interior]
                                               <i>Asclepias tuberosa subsp. rolfsii</i>
                                               <i>Asclepias tuberosa subsp. tuberosa</i>
                                                     [Asclepias tuberosa f. bicolor]
                                                     [Asclepias tuberosa var. cordata]
                                                     [Asclepias tuberosa var. decumbens]
                                               <i>Asclepias tuberosa tuberosa</i>
                                               <i>Asclepias tuberosa var. rolfsii</i>
                                               <i>Asclepias tuberosa var. tuberosa</i>
                                             <i>Asclepias uncialis</i>
                                               <i>Asclepias uncialis subsp. uncialis</i>
                                             <i>Asclepias variegata</i>
                                             <i>Asclepias verticillata</i>
                                                   [Asclepias parviflora]
                                               <i>Asclepias verticillata var. galioides</i>
                                               <i>Asclepias verticillata var. subverticillata</i>
                                             <i>Asclepias vestita</i>
                                               <i>Asclepias vestita subsp. parishii</i>
                                               <i>Asclepias vestita subsp. vestita</i>
                                               <i>Asclepias vestita var. parishii</i>
                                             <i>Asclepias vinosa</i>
                                                   [Acerates vinosa]
                                             <i>Asclepias viridiflora</i>
                                                   [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]
                                               <i>Asclepias viridiflora var. obovata</i>
                                               <i>Asclepias viridiflora var. viridiflora</i>
                                             <i>Asclepias viridis</i>
                                                   [Acerates paniculata]
                                                   [Anantherix paniculata]
                                             <i>Asclepias viridula</i>
                                             <i>Asclepias virletii</i>
                                             <i>Asclepias welshii</i>
                                             <i>Asclepias woodsoniana</i>
                                             <i>Asclepias wrightii</i>
                                             <i>Asclepias zanthodacryon</i>
                                                   [Asclepiodora zanthodacryon]
                                     <i>Asclepiodella</i>
                                             <i>Asclepiodella feayi</i>
                                     <i>Asclepiodora</i>
                                             <i>Asclepiodora asperula</i>
                                             <i>Asclepiodora decumbens</i>
                                             <i>Asclepiodora viridis</i>
                                     <i>Aspidoglossum</i>
                                             <i>Aspidoglossum angustissimum</i>
                                                   [Aspidoglossum whytei]
                                                   [Schizoglossum angustissimum]
                                                   [Schizoglossum elatum]
                                                   [Schizoglossum ledermannii]
                                                   [Schizoglossum whytei]
                                                   [Schizoglossum zernyi]
                                             <i>Aspidoglossum araneiferum</i>
                                                   [Schizoglossum araneiferum]
                                                   [Schizoglossum polynema]
                                             <i>Aspidoglossum biflorum</i>
                                                   [Aspidoglossum biflorum var. gwelense]
                                                   [Schizoglossum biflorum]
                                                   [Schizoglossum gwelense]
                                                   [Schizoglossum shirense]
                                             <i>Aspidoglossum breve</i>
                                             <i>Aspidoglossum cebrum</i>
                                             <i>Aspidoglossum connatum</i>
                                                   [Schizoglossum connatum]
                                                   [Schizoglossum vulcanorum]
                                             <i>Aspidoglossum crebrum</i>
                                             <i>Aspidoglossum delagoense</i>
                                                   [Schizoglossum biauriculatum]
                                                   [Schizoglossum delagoense]
                                             <i>Aspidoglossum elliotii</i>
                                                   [Schizoglossum debile]
                                                   [Schizoglossum elliotii]
                                             <i>Aspidoglossum erubescens</i>
                                                   [Schizoglossum erubescens]
                                                   [Schizoglossum pentheri]
                                                   [Schizoglossum strictissimum]
                                             <i>Aspidoglossum eylesii</i>
                                                   [Schizoglossum eylesii]
                                             <i>Aspidoglossum glabellum</i>
                                             <i>Aspidoglossum hirundo</i>
                                             <i>Aspidoglossum interruptum</i>
                                                   [Lagarinthus interruptus]
                                                   [Schizoglossum barberae]
                                                   [Schizoglossum garuanum]
                                                   [Schizoglossum gracile]
                                                   [Schizoglossum kamerunense]
                                                   [Schizoglossum lasiopetalum]
                                                   [Schizoglossum morumbenense]
                                             <i>Aspidoglossum lanatum</i>
                                                   [Schizoglossum lanatum]
                                             <i>Aspidoglossum masaicum</i>
                                                   [Aspidoglossum kulsii]
                                                   [Schizoglossum altum]
                                                   [Schizoglossum baumii]
                                                   [Schizoglossum fuscopurpureum]
                                                   [Schizoglossum masaicum]
                                                   [Schizoglossum semlikense]
                                             <i>Aspidoglossum nyasae</i>
                                                   [Schizoglossum leptoglossum]
                                                   [Schizoglossum multifolium]
                                                   [Schizoglossum nyassae]
                                             <i>Aspidoglossum ovalifolium</i>
                                                   [Schizoglossum ovalifolium]
                                             <i>Aspidoglossum rhodesicum</i>
                                                   [Schizoglossum rhodesicum]
                                             <i>Aspidoglossum woodii</i>
                                     <i>Aspidosperma</i>
                                             <i>Aspidosperma album</i>
                                                   [Aspidosperma centrale]
                                             <i>Aspidosperma argenteum</i>
                                             <i>Aspidosperma australe</i>
                                               <i>Aspidosperma australe var. estrellense</i>
                                             <i>Aspidosperma camporum</i>
                                             <i>Aspidosperma capitatum</i>
                                             <i>Aspidosperma carapanauba</i>
                                             <i>Aspidosperma chodatii</i>
                                             <i>Aspidosperma cruentum</i>
                                             <i>Aspidosperma cuspa</i>
                                                   [Aspidosperma ellipticum]
                                                   [Aspidosperma sessiliflorum]
                                             <i>Aspidosperma cylindrocarpon</i>
                                             <i>Aspidosperma darienense</i>
                                             <i>Aspidosperma decussatum</i>
                                             <i>Aspidosperma desmanthum</i>
                                                   [Aspidosperma chiapense]
                                                   [Aspidosperma matudae]
                                             <i>Aspidosperma discolor</i>
                                             <i>Aspidosperma dispermum</i>
                                             <i>Aspidosperma dugandii</i>
                                             <i>Aspidosperma eburneum</i>
                                                   [Aspidosperma pruinosum]
                                             <i>Aspidosperma excelsum</i>
                                                   [Aspidosperma marcgravianum]
                                                   [Aspidosperma nitidum]
                                             <i>Aspidosperma illustre</i>
                                             <i>Aspidosperma macrocarpon</i>
                                                   [Aspidosperma duckei]
                                             <i>Aspidosperma megalocarpon</i>
                                                   [Aspidosperma lundellianum]
                                                   [Cufodontia arborea]
                                                   [Cufodontia escuintlensis]
                                               <i>Aspidosperma megalocarpon subsp. curranii</i>
                                                     [Aspidosperma curranii]
                                               <i>Aspidosperma megalocarpon subsp. megalocarpon</i>
                                                     [Aspidosperma stegomeris]
                                                     [Cufodontia lundelliana]
                                                     [Cufodontia stegomeris]
                                             <i>Aspidosperma megaphyllum</i>
                                             <i>Aspidosperma multiflorum</i>
                                             <i>Aspidosperma myristicifolium</i>
                                             <i>Aspidosperma neblinae</i>
                                             <i>Aspidosperma nobile</i>
                                             <i>Aspidosperma oblongum</i>
                                             <i>Aspidosperma olivaceum</i>
                                             <i>Aspidosperma pachypterum</i>
                                             <i>Aspidosperma parvifolium</i>
                                                   [Aspidosperma vargasii]
                                             <i>Aspidosperma polyneuron</i>
                                                   [Aspidosperma peroba]
                                             <i>Aspidosperma pyricollum</i>
                                             <i>Aspidosperma pyrifolium</i>
                                             <i>Aspidosperma quebracho</i>
                                             <i>Aspidosperma quebracho-blanco</i>
                                             <i>Aspidosperma ramiflorum</i>
                                             <i>Aspidosperma riedelii</i>
                                             <i>Aspidosperma rigidum</i>
                                                   [Aspidosperma jaunechense]
                                             <i>Aspidosperma schultesii</i>
                                             <i>Aspidosperma spruceanum</i>
                                                   [Aspidosperma melanocalyx]
                                                   [Aspidosperma steinbachii]
                                                   [Aspidosperma woodsonianum]
                                             <i>Aspidosperma steyermarkii</i>
                                             <i>Aspidosperma subincanum</i>
                                             <i>Aspidosperma tomentosum</i>
                                                   [Aspidosperma dasycarpon]
                                                   [Aspidosperma quirandy var. silvaticum]
                                                   [Aspidosperma quirandy]
                                             <i>Aspidosperma triternatum</i>
                                                   [Aspidosperma horko-kebracho]
                                             <i>Aspidosperma ulei</i>
                                             <i>Aspidosperma verruculosum</i>
                                             <i>Aspidosperma williamii</i>
                                     <i>Astephanus</i>
                                             <i>Astephanus hieronymi</i>
                                             <i>Astephanus ovatus</i>
                                             <i>Astephanus triflorus</i>
                                     <i>Australluma</i>
                                             <i>Australluma ubomboensis</i>
                                                   [Angolluma ubomboensis]
                                                   [Caralluma ubomboensis]
                                                   [Orbea ubomboensis]
                                                   [Pachycymbium ubomboense]
                                     <i>Baissea</i>
                                             <i>Baissea atrobrunnea</i>
                                             <i>Baissea axillaris</i>
                                                   [Guerkea schumanniana]
                                                   [Zygodia axillaris]
                                             <i>Baissea baillonii</i>
                                                   [Baissea breviloba]
                                                   [Baissea ivorensis]
                                             <i>Baissea campanulata</i>
                                                   [Baissea goossensii]
                                                   [Baissea laurentii]
                                                   [Baissea minutiflora]
                                                   [Baissea subsessilis]
                                                   [Oncinotis campanulata]
                                                   [Oncinotis subsessilis]
                                             <i>Baissea concinna</i>
                                             <i>Baissea congensis</i>
                                                   [Zygodia congensis]
                                             <i>Baissea floribunda</i>
                                                   [Guerkea floribunda]
                                             <i>Baissea gracillima</i>
                                                   [Baissea malchairii]
                                                   [Baissea micrantha]
                                                   [Guerkea gracillima]
                                             <i>Baissea haemantha</i>
                                             <i>Baissea hildebrandtii</i>
                                             <i>Baissea lane-poolei</i>
                                             <i>Baissea leonensis</i>
                                                   [Baissea albo-rosea]
                                                   [Baissea brachyantha]
                                                   [Baissea dichotoma]
                                                   [Baissea elliptica]
                                                   [Baissea giorgii]
                                                   [Baissea likimiensis]
                                                   [Baissea odorata]
                                                   [Baissea ogowensis]
                                                   [Baissea tenuiloba]
                                                   [Baissea uropetala]
                                                   [Guerkea uropetala]
                                             <i>Baissea leontonori</i>
                                             <i>Baissea longipetiolata</i>
                                             <i>Baissea major</i>
                                                   [Baissea angolensis var. major]
                                             <i>Baissea multiflora</i>
                                                   [Baissea angolensis]
                                                   [Baissea caudiloba]
                                                   [Baissea heudelotii]
                                                   [Baissea laxiflora]
                                                   [Baissea multiflora var. caudiloba]
                                                   [Baissea thollonii]
                                                   [Guerkea congolana]
                                                   [Oncinotis axillaris]
                                             <i>Baissea myrtifolia</i>
                                                   [Baissea kidengensis]
                                                   [Baissea melanocephala]
                                                   [Oncinotis melanocephala]
                                                   [Zygodia kidengensis]
                                                   [Zygodia melanocephala]
                                                   [Zygodia myrtifolia]
                                             <i>Baissea ochrantha</i>
                                             <i>Baissea subrufa</i>
                                                   [Baissea mortehanii]
                                             <i>Baissea urceolata</i>
                                                   [Zygodia subsessilis]
                                                   [Zygodia urceolata]
                                             <i>Baissea viridiflora</i>
                                                   [Motandra viridiflora]
                                             <i>Baissea welwitschii</i>
                                                   [Baissea calophylla]
                                                   [Baissea erythrosticta]
                                                   [Conodura calophylla]
                                                   [Perinerion welwitschii]
                                             <i>Baissea wulfhorstii</i>
                                                   [Baissea spectabilis]
                                             <i>Baissea zygodioides</i>
                                                   [Baissea aframensis]
                                                   [Oncinotis zygodioides]
                                     <i>Ballyanthus</i>
                                             <i>Ballyanthus major</i>
                                             <i>Ballyanthus prognathus</i>
                                                   [Orbea prognatha]
                                                   [Stapelia prognatha]
                                     <i>Barjonia</i>
                                     <i>Barrowia</i>
                                     <i>Baseonema</i>
                                             <i>Baseonema gregoryi</i>
                                     <i>Basistelma</i>
                                             <i>Basistelma angustifolium</i>
                                     <i>Batesanthus</i>
                                             <i>Batesanthus pseudopalpus</i>
                                             <i>Batesanthus purpureus</i>
                                                   [Batesanthus intrusus]
                                                   [Batesanthus mildbraedii]
                                                   [Batesanthus talbotii var. grandiflora]
                                                   [Batesanthus talbotii var. parviflora]
                                                   [Batesanthus talbotii]
                                                   [Perithrix glabra]
                                     <i>Beaumontia</i>
                                             <i>Beaumontia brevituba</i>
                                             <i>Beaumontia grandiflora</i>
                                             <i>Beaumontia jerdoniana</i>
                                             <i>Beaumontia multiflora</i>
                                             <i>Beaumontia murtonii</i>
                                     <i>Belandra</i>
                                     <i>Biondia</i>
                                             <i>Biondia henryi</i>
                                     <i>Biventraria</i>
                                             <i>Biventraria variegata</i>
                                     <i>Blastotrophe</i>
                                     <i>Blepharodon</i>
                                             <i>Blepharodon asparagoides</i>
                                             <i>Blepharodon bicuspidatum</i>
                                             <i>Blepharodon glaucescens</i>
                                                   [Ditassa glaucescens]
                                             <i>Blepharodon gomphocarpoides</i>
                                                   [Marsdenia neriifolia]
                                                   [Nephradenia neriifolia]
                                             <i>Blepharodon grandiflorum</i>
                                             <i>Blepharodon lineare</i>
                                             <i>Blepharodon mucronatum</i>
                                                   [Astephanus mucronatus]
                                                   [Philibertia anomala]
                                             <i>Blepharodon pictum</i>
                                                   [Blepharodon nitidum]
                                                   [Blepharodon steudelianum]
                                                   [Cynanchum pictum]
                                             <i>Blepharodon reflexum</i>
                                             <i>Blepharodon viscidum</i>
                                     <i>Blyttia</i>
                                             <i>Blyttia spiralis</i>
                                                   [Pentatropis spiralis]
                                     <i>Bonafousia</i>
                                             <i>Bonafousia undulata</i>
                                     <i>Boucerosia</i>
                                     <i>Brachystelma</i>
                                             <i>Brachystelma albipilosum</i>
                                             <i>Brachystelma arachnoideum</i>
                                             <i>Brachystelma arenarium</i>
                                             <i>Brachystelma barberiae</i>
                                                   [Dichaelia barberiae]
                                             <i>Brachystelma bikitaense</i>
                                             <i>Brachystelma bracteolatum</i>
                                             <i>Brachystelma buchananii</i>
                                                   [Brachystelma magicum]
                                                   [Brachystelma nauseosum]
                                                   [Brachystelma shirense]
                                                   [Ceropegia buchananii]
                                             <i>Brachystelma chloranthum</i>
                                             <i>Brachystelma coddii</i>
                                               <i>Brachystelma coddii subsp. kituloense</i>
                                                     [Brachystelma kituloense]
                                             <i>Brachystelma dinteri</i>
                                             <i>Brachystelma elegantulum</i>
                                             <i>Brachystelma exile</i>
                                             <i>Brachystelma festucifolium</i>
                                             <i>Brachystelma floribundum</i>
                                               <i>Brachystelma floribundum var. floribundum</i>
                                               <i>Brachystelma floribundum var. mlimakito</i>
                                             <i>Brachystelma foetidum</i>
                                                   [Brachystelma rehmannii]
                                             <i>Brachystelma franksiae</i>
                                             <i>Brachystelma furcatum</i>
                                             <i>Brachystelma gracile</i>
                                             <i>Brachystelma gymnopodum</i>
                                                   [Ceropegia pumila]
                                                   [Ceropegia pygmaea var. pumila]
                                                   [Ceropegia pygmaea var. pygmaea]
                                             <i>Brachystelma hirtellum</i>
                                                   [Brachystelma pilosum]
                                                   [Dichaelia hirtella]
                                             <i>Brachystelma johnstonii</i>
                                                   [Brachystelma bagshawei]
                                                   [Brachystelma constrictum]
                                                   [Brachystelma lanceolatum]
                                                   [Brachystelma medusanthemum]
                                             <i>Brachystelma keniense</i>
                                             <i>Brachystelma lancasteri</i>
                                             <i>Brachystelma letestui</i>
                                             <i>Brachystelma lineare</i>
                                                   [Brachystelma asmarense]
                                                   [Brachystelma ellipticum]
                                                   [Brachystelma pellacibellum]
                                                   [Brachystelma phyteumoides]
                                             <i>Brachystelma mafekingense</i>
                                             <i>Brachystelma maritae</i>
                                             <i>Brachystelma megasepalum</i>
                                             <i>Brachystelma omissum</i>
                                             <i>Brachystelma plocamoides</i>
                                                   [Brachystelma linearifolium]
                                                   [Brachystelma mortonii]
                                                   [Brachystelma parviflorum]
                                                   [Ceropegia plocamoides]
                                             <i>Brachystelma prostratum</i>
                                             <i>Brachystelma punctatum</i>
                                             <i>Brachystelma pygmaeum</i>
                                               <i>Brachystelma pygmaeum subsp. pygmaeum</i>
                                                     [Brachystelma pygmaeum var. breviflorum]
                                                     [Dichaelia breviflora]
                                                     [Dichaelia pygmaea]
                                             <i>Brachystelma richardsii</i>
                                             <i>Brachystelma rubellum</i>
                                                   [Tenaris rostrata]
                                                   [Tenaris rubella]
                                                   [Tenaris simulans]
                                                   [Tenaris volkensii]
                                             <i>Brachystelma tavalla</i>
                                                   [Ceropegia tavalla]
                                             <i>Brachystelma togoense</i>
                                                   [Brachystelma atacorense]
                                     <i>Bruceholstia</i>
                                             <i>Bruceholstia sidifolia</i>
                                                   [Vincetoxicum hatchii]
                                     <i>Buckollia</i>
                                             <i>Buckollia tomentosa</i>
                                                   [Tacazzea tomentosa]
                                             <i>Buckollia volubilis</i>
                                                   [Curroria volubilis]
                                                   [Raphionacme volubilis]
                                                   [Tacazzea volubilis]
                                     <i>Bunburia</i>
                                     <i>Calcareophilum</i>
                                     <i>Calciphila</i>
                                             <i>Calciphila galgalensis</i>
                                                   [Calcareophilum galgalense]
                                             <i>Calciphila gillettii</i>
                                                   [Calcareophilum gillettii]
                                     <i>Callichilia</i>
                                             <i>Callichilia barteri</i>
                                                   [Hedranthera barteri]
                                                   [Tabernaemontana barteri]
                                             <i>Callichilia basileis</i>
                                             <i>Callichilia bequaertii</i>
                                                   [Callichilia macrocalyx]
                                                   [Callichilia magnifica]
                                             <i>Callichilia inaequalis</i>
                                                   [Callichilia mannii]
                                             <i>Callichilia monopodialis</i>
                                                   [Tabernaemontana monopodialis]
                                             <i>Callichilia orientalis</i>
                                                   [Ephippiocarpa orientalis]
                                             <i>Callichilia subsessilis</i>
                                                   [Callichilia stenosepala]
                                                   [Tabernaemontana subsessilis]
                                     <i>Calocrater</i>
                                             <i>Calocrater preussii</i>
                                                   [Colocrater preussii]
                                     <i>Calostigma</i>
                                     <i>Calotropis</i>
                                             <i>Calotropis gigantea</i>
                                             <i>Calotropis procera</i>
                                                   [Asclepias gigantea]
                                                   [Asclepias procera]
                                                   [Calotropis busseana]
                                                   [Calotropis inflexa]
                                     <i>Cameraria</i>
                                             <i>Cameraria angustifolia</i>
                                             <i>Cameraria belizensis</i>
                                             <i>Cameraria latifolia</i>
                                             <i>Cameraria linearifolia</i>
                                             <i>Cameraria retusa</i>
                                                   [Cameraria oblongifolia]
                                     <i>Camerunia</i>
                                     <i>Caralluma</i>
                                             <i>Caralluma acutangula</i>
                                             <i>Caralluma adscendens</i>
                                                   [Caralluma subulata]
                                                   [Stapelia adscendens]
                                                   [Stapelia subulata]
                                             <i>Caralluma ango</i>
                                                   [Stapelia ango]
                                             <i>Caralluma arachnoidea</i>
                                               <i>Caralluma arachnoidea var. arachnoidea</i>
                                                     [Caralluma gracilipes subsp. arachnoidea]
                                                     [Spathulopetalum arachnoideum]
                                               <i>Caralluma arachnoidea var. breviloba</i>
                                                     [Caralluma gracilipes subsp. breviloba]
                                             <i>Caralluma aucheriana</i>
                                                   [Boucerosia aucheriana]
                                             <i>Caralluma baradii</i>
                                                   [Somalluma baradii]
                                             <i>Caralluma congestiflora</i>
                                                   [Caralluma plurifasciculata]
                                                   [Spathulopetalum congestiflora]
                                             <i>Caralluma dalzielii</i>
                                                   [Caralluma sudanica]
                                             <i>Caralluma darfurensis</i>
                                             <i>Caralluma dicapuae</i>
                                                   [Caralluma dicapuae var. seticorona]
                                                   [Spathulopetalum dicapuae]
                                             <i>Caralluma edithae</i>
                                                   [Desmidorchis edithae]
                                             <i>Caralluma edwardsiae</i>
                                                   [Caralluma gracilipes subsp. edwardsiae]
                                                   [Spathulopetalum edwardsiae]
                                             <i>Caralluma flavovirens</i>
                                             <i>Caralluma frerei</i>
                                             <i>Caralluma furta</i>
                                                   [Saurolluma furta]
                                             <i>Caralluma gracilipes</i>
                                                   [Spathulopetalum gracilipes]
                                             <i>Caralluma longiflora</i>
                                                   [Spathulopetalum longiflorum]
                                             <i>Caralluma moniliformis</i>
                                                   [Spathulopetalum moniliforme]
                                             <i>Caralluma nebrownii</i>
                                             <i>Caralluma peckii</i>
                                                   [Spathulopetalum peckii]
                                             <i>Caralluma priogonium</i>
                                                   [Caralluma elata]
                                                   [Caralluma mogadoxensis]
                                                   [Lasiostelma somalense]
                                                   [Spathulopetalum mogadoxense]
                                                   [Spathulopetalum priogonium]
                                                   [Tenaris somalensis]
                                             <i>Caralluma procumbens</i>
                                             <i>Caralluma russelliana</i>
                                             <i>Caralluma socotrana</i>
                                             <i>Caralluma somalica</i>
                                                   [Desmidorchis somalicus]
                                             <i>Caralluma turneri</i>
                                                   [Caralluma dicapuae subsp. turneri]
                                                   [Spathulopetalum turneri]
                                               <i>Caralluma turneri subsp. turneri</i>
                                               <i>Caralluma turneri subsp. ukambensis</i>
                                                     [Caralluma dicapuae subsp. ukambensis]
                                             <i>Caralluma vaduliae</i>
                                                   [Spathulopetalum vaduliae]
                                             <i>Caralluma wilhelmii</i>
                                     <i>Carissa</i>
                                             <i>Carissa arduina</i>
                                             <i>Carissa bispinosa</i>
                                                   [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]
                                             <i>Carissa brownii</i>
                                             <i>Carissa carandas</i>
                                             <i>Carissa congesta</i>
                                             <i>Carissa edulis</i>
                                             <i>Carissa inermis</i>
                                                   [Carissa macrophylla]
                                             <i>Carissa macrocarpa</i>
                                                   [Arduina grandiflora]
                                                   [Arduina macrocarpa]
                                                   [Carissa africana]
                                                   [Carissa grandiflora]
                                                   [Carissa praetermissa]
                                                   [Jasminonerium africanum]
                                             <i>Carissa opaca</i>
                                             <i>Carissa ovata</i>
                                             <i>Carissa spinarum</i>
                                                   [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]
                                             <i>Carissa tetramera</i>
                                                   [Arduina tetramera]
                                     <i>Carpodinopsis</i>
                                     <i>Carpodinus</i>
                                             <i>Carpodinus complicata</i>
                                     <i>Carruthersia</i>
                                             <i>Carruthersia pilosa</i>
                                     <i>Carvalhoa</i>
                                             <i>Carvalhoa campanulata</i>
                                                   [Carvalhoa macrophylla]
                                                   [Carvalhoa petiolata]
                                     <i>Cascabela</i>
                                             <i>Cascabela gaumeri</i>
                                                   [Thevetia spathulata]
                                             <i>Cascabela ovata</i>
                                                   [Thevetia cuneifolia]
                                                   [Thevetia plumeriifolia]
                                             <i>Cascabela pinifolia</i>
                                                   [Thevetia peruviana var. pinifolia]
                                                   [Thevetia pinifolia]
                                             <i>Cascabela thevetioides</i>
                                                   [Thevetia yccotli]
                                     <i>Catharanthus</i>
                                             <i>Catharanthus lanceus</i>
                                             <i>Catharanthus longifolius</i>
                                             <i>Catharanthus ovalis</i>
                                             <i>Catharanthus pusillus</i>
                                                   [Vinca parviflora]
                                                   [Vinca pusilla]
                                             <i>Catharanthus roseus</i>
                                                   [Ammocallis rosea]
                                                   [Lochnera rosea var. alba]
                                                   [Lochnera rosea]
                                                   [Vinca guilelmi-waldemarii]
                                                   [Vinca rosea]
                                                   [Vinca speciosa]
                                               <i>Catharanthus roseus var. angustus</i>
                                               <i>Catharanthus roseus var. roseus</i>
                                             <i>Catharanthus trichophyllus</i>
                                     <i>Caudanthera</i>
                                             <i>Caudanthera edulis</i>
                                                   [Boucerosia edulis]
                                                   [Boucerosia stocksiana]
                                                   [Brachystelma subaphyllum]
                                                   [Caralluma edulis]
                                                   [Caralluma longidens]
                                                   [Caralluma mouretii]
                                                   [Caralluma vittata]
                                                   [Cryptolluma edulis]
                                                   [Lasiostelma subaphylla]
                                                   [Tenaris subaphylla]
                                             <i>Caudanthera mireillae</i>
                                                   [Caralluma mireillae]
                                     <i>Cavinium</i>
                                     <i>Centrostemma</i>
                                             <i>Centrostemma multiflorum</i>
                                     <i>Cerbera</i>
                                             <i>Cerbera dilatata</i>
                                             <i>Cerbera floribunda</i>
                                             <i>Cerbera inflata</i>
                                             <i>Cerbera manghas</i>
                                                   [Cerbera tanghin]
                                             <i>Cerbera odollam</i>
                                                   [Cerbera lactaria]
                                             <i>Cerbera venenifera</i>
                                     <i>Cerberiopsis</i>
                                             <i>Cerberiopsis candelabra</i>
                                     <i>Ceropegia</i>
                                           [Notechidnopsis]
                                           [Stapelianthus]
                                           [Tromotriche]
                                             <i>Ceropegia abyssinica</i>
                                                   [Ceropegia abyssinica var. abyssinica]
                                                   [Ceropegia abyssinica var. songeensis]
                                                   [Ceropegia bequaerti]
                                                   [Ceropegia bequaertii]
                                                   [Ceropegia bonafouxii var. linearifolia]
                                             <i>Ceropegia achtenii</i>
                                                   [Ceropegia achtenii subsp. achtenii]
                                                   [Ceropegia achtenii subsp. adolfii]
                                                   [Ceropegia achtenii subsp. togoensis]
                                             <i>Ceropegia affinis</i>
                                                   [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]
                                             <i>Ceropegia africana</i>
                                               <i>Ceropegia africana subsp. africana</i>
                                               <i>Ceropegia africana subsp. barklyi</i>
                                                     [Ceropegia barklyi]
                                               <i>Ceropegia africana subsp. barkyi</i>
                                             <i>Ceropegia ahmarensis</i>
                                             <i>Ceropegia albisepta</i>
                                                   [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]
                                             <i>Ceropegia ampliata</i>
                                                   [Ceropegia ampliata subsp. ampliata]
                                                   [Ceropegia ampliata subsp. madagascariensis]
                                                   [Ceropegia ampliata subsp. oxyloba]
                                               <i>Ceropegia ampliata var. oxyloba</i>
                                             <i>Ceropegia anceps</i>
                                             <i>Ceropegia angustata</i>
                                                   [Brachystelma angustum]
                                             <i>Ceropegia antennifera</i>
                                             <i>Ceropegia arabica</i>
                                               <i>Ceropegia arabica var. abbreviata</i>
                                               <i>Ceropegia arabica var. arabica</i>
                                               <i>Ceropegia arabica var. powysii</i>
                                                     [Ceropegia powysii var. gigantica]
                                               <i>Ceropegia arabica var. superba</i>
                                             <i>Ceropegia arenaria</i>
                                             <i>Ceropegia aristolochioides</i>
                                               <i>Ceropegia aristolochioides subsp. aristolochioides</i>
                                                     [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]
                                               <i>Ceropegia aristolochioides subsp. deflersiana</i>
                                             <i>Ceropegia armandii</i>
                                             <i>Ceropegia arnottiana</i>
                                             <i>Ceropegia attenuata</i>
                                             <i>Ceropegia ballyana</i>
                                                   [Ceropegia helicoides]
                                             <i>Ceropegia banforae</i>
                                                   [Brachystelma simplex subsp. banforae]
                                             <i>Ceropegia barbigera</i>
                                             <i>Ceropegia barnesii</i>
                                             <i>Ceropegia batesii</i>
                                             <i>Ceropegia beccariana</i>
                                             <i>Ceropegia beddomei</i>
                                             <i>Ceropegia bhutanica</i>
                                             <i>Ceropegia bikitaensis</i>
                                             <i>Ceropegia bonafouxii</i>
                                             <i>Ceropegia borneensis</i>
                                             <i>Ceropegia bosseri</i>
                                                   [Ceropegia razafindratsirana]
                                             <i>Ceropegia bowkeri</i>
                                                   [Ceropegia bowkeri subsp. bowkeri]
                                                   [Ceropegia bowkeri subsp. sororia]
                                             <i>Ceropegia bulbosa</i>
                                                   [Ceropegia brosima]
                                                   [Ceropegia humilis]
                                                   [Ceropegia vignaldiana]
                                             <i>Ceropegia buraoensis</i>
                                             <i>Ceropegia caespitosa</i>
                                               <i>Ceropegia caespitosa subsp. caespitosa</i>
                                                     [Duvalia caespitosa]
                                             <i>Ceropegia caffra</i>
                                             <i>Ceropegia campanulata</i>
                                               <i>Ceropegia campanulata var. abinsica</i>
                                                     [Ceropegia abinsica]
                                                     [Ceropegia hepburnii]
                                                     [Ceropegia tamalensis]
                                               <i>Ceropegia campanulata var. campanulata</i>
                                                     [Ceropegia dalzielii]
                                                     [Ceropegia kerstingii]
                                               <i>Ceropegia campanulata var. porphyrotricha</i>
                                               <i>Ceropegia campanulata var. pulchella</i>
                                             <i>Ceropegia cancellata</i>
                                                   [Cinclia cancellata]
                                             <i>Ceropegia candelabrum</i>
                                               <i>Ceropegia candelabrum var. biflora</i>
                                               <i>Ceropegia candelabrum var. candelabrum</i>
                                               <i>Ceropegia candelabrum var. tuberosa</i>
                                             <i>Ceropegia carnosa</i>
                                             <i>Ceropegia cataphyllaris</i>
                                             <i>Ceropegia choanantha</i>
                                                   [Tridentea choanantha]
                                             <i>Ceropegia christenseniana</i>
                                             <i>Ceropegia chrysochroma</i>
                                             <i>Ceropegia ciliata</i>
                                                   [Ceropegia ciliata subsp. ciliata]
                                             <i>Ceropegia cimiciodora</i>
                                             <i>Ceropegia clavigera</i>
                                               <i>Ceropegia clavigera subsp. clavigera</i>
                                                     [Huernia barbata]
                                                     [Huernia clavigera]
                                             <i>Ceropegia claviloba</i>
                                             <i>Ceropegia columnaris</i>
                                                   [Notechidnopsis columnaris]
                                             <i>Ceropegia compta</i>
                                                   [Piaranthus comptus]
                                             <i>Ceropegia conrathii</i>
                                             <i>Ceropegia convolvuloides</i>
                                             <i>Ceropegia cordiloba</i>
                                             <i>Ceropegia cornuta</i>
                                                   [Piaranthus pulcher var. nebrownii]
                                                   [Piaranthus pulcher]
                                             <i>Ceropegia crassifolia</i>
                                               <i>Ceropegia crassifolia var. copleyae</i>
                                                     [Ceropegia copleyae]
                                               <i>Ceropegia crassifolia var. crassifolia</i>
                                                     [Ceropegia crispata]
                                                     [Ceropegia thorncroftii]
                                                     [Ceropegia tuberculata]
                                             <i>Ceropegia cufodontii</i>
                                             <i>Ceropegia cumingiana</i>
                                               <i>Ceropegia cumingiana subsp. cumingiana</i>
                                               <i>Ceropegia cumingiana subsp. horsfieldiana</i>
                                             <i>Ceropegia cycniflora</i>
                                             <i>Ceropegia cyperifolia</i>
                                             <i>Ceropegia damannii</i>
                                             <i>Ceropegia debilis</i>
                                             <i>Ceropegia decaisneana</i>
                                               <i>Ceropegia decaisneana var. brevicollis</i>
                                               <i>Ceropegia decaisneana var. decaisneana</i>
                                             <i>Ceropegia decaryana</i>
                                                   [Stapelianthus decaryi]
                                             <i>Ceropegia decidua</i>
                                               <i>Ceropegia decidua subsp. pretoriensis</i>
                                               <i>Ceropegia decidua var. decidua</i>
                                             <i>Ceropegia deightonii</i>
                                                   [Ceropegia deightonii subsp. conjuncta]
                                                   [Ceropegia deightonii subsp. deightonii]
                                                   [Ceropegia deightonii subsp. tisserantii]
                                             <i>Ceropegia denticulata</i>
                                                   [Ceropegia denticulata var. brownii]
                                                   [Ceropegia denticulata var. denticulata]
                                             <i>Ceropegia dichotoma</i>
                                               <i>Ceropegia dichotoma subsp. dichotoma</i>
                                                     [Ceropegia hians var. hians]
                                                     [Ceropegia hians var. striata]
                                               <i>Ceropegia dichotoma subsp. fusca</i>
                                               <i>Ceropegia dichotoma subsp. krainzii</i>
                                                     [Ceropegia ceratophora]
                                                     [Ceropegia chrysantha]
                                                     [Ceropegia krainzii]
                                             <i>Ceropegia dimorpha</i>
                                             <i>Ceropegia dinteri</i>
                                             <i>Ceropegia distincta</i>
                                                   [Ceropegia brevirostris]
                                                   [Ceropegia distincta subsp. distincta]
                                               <i>Ceropegia distincta var. brevirostris</i>
                                               <i>Ceropegia distincta var. distincta</i>
                                                     [Ceropegia cyrtoidea]
                                               <i>Ceropegia distincta var. rostrata</i>
                                             <i>Ceropegia dolichophylla</i>
                                                   [Ceropegia longifolia subsp. sinensis]
                                             <i>Ceropegia dorjei</i>
                                             <i>Ceropegia effusa</i>
                                             <i>Ceropegia elegans</i>
                                               <i>Ceropegia elegans var. elegans</i>
                                               <i>Ceropegia elegans var. gardneri</i>
                                             <i>Ceropegia ellenbeckii</i>
                                             <i>Ceropegia emdenpienaarii</i>
                                             <i>Ceropegia engleriana</i>
                                                   [Tromotriche engleriana]
                                             <i>Ceropegia ensifolia</i>
                                                   [Ceropegia ciliata subsp. ensifolia]
                                             <i>Ceropegia erectiflora</i>
                                                   [Stapelia erectiflora]
                                             <i>Ceropegia europaea</i>
                                                   [Boucerosia maroccana]
                                               <i>Ceropegia europaea var. judaica</i>
                                                     [Caralluma aaronis]
                                             <i>Ceropegia euryacme</i>
                                             <i>Ceropegia evansii</i>
                                             <i>Ceropegia exigua</i>
                                                   [Ceropegia longifolia subsp. exigua]
                                             <i>Ceropegia fantastica</i>
                                             <i>Ceropegia filicorona</i>
                                             <i>Ceropegia filiformis</i>
                                                   [Ceropegia barbata]
                                             <i>Ceropegia filipendula</i>
                                                   [Ceropegia dichroantha]
                                                   [Ceropegia medoensis]
                                                   [Ceropegia mirabilis]
                                                   [Ceropegia peteri]
                                                   [Ceropegia renzii]
                                             <i>Ceropegia fimbriata</i>
                                               <i>Ceropegia fimbriata subsp. connivens</i>
                                               <i>Ceropegia fimbriata subsp. fimbriata</i>
                                               <i>Ceropegia fimbriata subsp. geniculata</i>
                                             <i>Ceropegia fimbriifera</i>
                                             <i>Ceropegia floribunda</i>
                                             <i>Ceropegia foliosa</i>
                                             <i>Ceropegia fortuita</i>
                                             <i>Ceropegia furcata</i>
                                             <i>Ceropegia fusca</i>
                                             <i>Ceropegia fusiformis</i>
                                             <i>Ceropegia galeata</i>
                                             <i>Ceropegia geminata</i>
                                               <i>Ceropegia geminata subsp. geminata</i>
                                                     [Piaranthus disparilis]
                                                     [Piaranthus foetidus var. purpureus]
                                                     [Piaranthus foetidus]
                                                     [Piaranthus globosus]
                                                     [Piaranthus pillansii var. fuscatus]
                                                     [Piaranthus pillansii]
                                             <i>Ceropegia gilgiana</i>
                                             <i>Ceropegia gracilidens</i>
                                             <i>Ceropegia grandiflora</i>
                                                   [Stapelia ambigua]
                                                   [Stapelia flavirostris]
                                             <i>Ceropegia guttata</i>
                                               <i>Ceropegia guttata subsp. guttata</i>
                                                     [Huernia guttata]
                                             <i>Ceropegia gypsophila</i>
                                             <i>Ceropegia haygarthii</i>
                                                   [Ceropegia tristis]
                                             <i>Ceropegia hexagona</i>
                                                   [Caralluma shadhbana]
                                             <i>Ceropegia hians</i>
                                             <i>Ceropegia hirsuta</i>
                                             <i>Ceropegia hofstaetteri</i>
                                             <i>Ceropegia hookeri</i>
                                                   [Ceropegia hookeri var. hookeri]
                                                   [Ceropegia hookeri var. mollis]
                                             <i>Ceropegia humbertii</i>
                                                   [Ceropegia mayottae]
                                             <i>Ceropegia illegitima</i>
                                             <i>Ceropegia imbricata</i>
                                                   [Ceropegia intracolor]
                                             <i>Ceropegia inflata</i>
                                             <i>Ceropegia inornata</i>
                                             <i>Ceropegia insignis</i>
                                             <i>Ceropegia intermedia</i>
                                               <i>Ceropegia intermedia var. wightii</i>
                                             <i>Ceropegia jainii</i>
                                             <i>Ceropegia johnsonii</i>
                                                   [Ceropegia lujai]
                                             <i>Ceropegia juncea</i>
                                             <i>Ceropegia kaariyei</i>
                                             <i>Ceropegia kachinensis</i>
                                             <i>Ceropegia keniensis</i>
                                             <i>Ceropegia kituloensis</i>
                                             <i>Ceropegia konasita</i>
                                             <i>Ceropegia kundelunguensis</i>
                                             <i>Ceropegia laikipiensis</i>
                                             <i>Ceropegia langkawiensis</i>
                                             <i>Ceropegia lawii</i>
                                                   [Ceropegia maccannii]
                                                   [Ceropegia panchganiensis]
                                                   [Ceropegia rollae]
                                                   [Ceropegia sahyadrica]
                                             <i>Ceropegia ledermanii</i>
                                             <i>Ceropegia ledermannii</i>
                                             <i>Ceropegia leroyi</i>
                                             <i>Ceropegia lindenii</i>
                                             <i>Ceropegia linearis</i>
                                               <i>Ceropegia linearis subsp. debilis</i>
                                               <i>Ceropegia linearis subsp. linearis</i>
                                                     [Ceropegia caffrorum var. dubia]
                                                     [Ceropegia caffrorum]
                                               <i>Ceropegia linearis subsp. tenuis</i>
                                               <i>Ceropegia linearis subsp. woodii</i>
                                                     [Ceropegia barbertonensis]
                                                     [Ceropegia collaricorona]
                                                     [Ceropegia hastata]
                                                     [Ceropegia leptocarpa]
                                                     [Ceropegia schoenlandii]
                                             <i>Ceropegia linophylla</i>
                                                   [Ceropegia senegalensis]
                                             <i>Ceropegia linophyllum</i>
                                             <i>Ceropegia longifolia</i>
                                                   [Ceropegia angustifolia]
                                               <i>Ceropegia longifolia subsp. longifolia</i>
                                             <i>Ceropegia longirostris</i>
                                             <i>Ceropegia loranthiflora</i>
                                             <i>Ceropegia lucida</i>
                                               <i>Ceropegia lucida subsp. dryophila</i>
                                               <i>Ceropegia lucida subsp. lucida</i>
                                             <i>Ceropegia ludlowii</i>
                                             <i>Ceropegia lugardiae</i>
                                                   [Ceropegia distincta f. pubescens]
                                                   [Ceropegia distincta subsp. lugardiae]
                                                   [Ceropegia verruculosa]
                                             <i>Ceropegia macrantha</i>
                                                   [Ceropegia macrantha subsp. macrantha]
                                                   [Ceropegia macrantha var. thorelii]
                                                   [Ceropegia raizadiana]
                                             <i>Ceropegia macrocarpa</i>
                                               <i>Ceropegia macrocarpa subsp. macrocarpa</i>
                                                     [Huernia macrocarpa var. arabica]
                                                     [Huernia macrocarpa var. penzigii]
                                                     [Huernia macrocarpa var. schweinfurthii]
                                                     [Huernia macrocarpa]
                                                     [Huernia penzigii]
                                             <i>Ceropegia macroloba</i>
                                               <i>Ceropegia macroloba subsp. macroloba</i>
                                                     [Rhytidocaulon macrolobum]
                                             <i>Ceropegia macropetala</i>
                                                   [Brachystelma macropetalum]
                                             <i>Ceropegia maculata</i>
                                             <i>Ceropegia madagascariensis</i>
                                             <i>Ceropegia madens</i>
                                             <i>Ceropegia mafekingensis</i>
                                             <i>Ceropegia mahabalei</i>
                                             <i>Ceropegia mairei</i>
                                                   [Ceropegia balfouriana]
                                                   [Ceropegia mairei var. mairei]
                                                   [Ceropegia mairei var. tenella]
                                             <i>Ceropegia maiuscula</i>
                                             <i>Ceropegia manderensis</i>
                                             <i>Ceropegia marronina</i>
                                             <i>Ceropegia maughanii</i>
                                                   [Pectinaria maughanii]
                                             <i>Ceropegia media</i>
                                             <i>Ceropegia meleagris</i>
                                             <i>Ceropegia mendesii</i>
                                             <i>Ceropegia metziana</i>
                                             <i>Ceropegia meyeri</i>
                                             <i>Ceropegia meyeri-johannis</i>
                                                   [Ceropegia meyeri-johannis var. angiensis]
                                                   [Ceropegia meyeri-johannis var. meyeri-johannis]
                                                   [Ceropegia meyeri-johannis var. verdickii]
                                             <i>Ceropegia microgaster</i>
                                             <i>Ceropegia mixta</i>
                                                   [Stapelia conspurcata]
                                                   [Stapelia deflexa]
                                                   [Stapelia marginata]
                                                   [Stapelia picta]
                                                   [Stapelia planiflora]
                                                   [Stapelia trisulca]
                                                   [Stapelia variegata var. atropurpurea]
                                                   [Stapelia variegata var. bufonia]
                                                   [Stapelia variegata var. picta]
                                             <i>Ceropegia monticola</i>
                                             <i>Ceropegia muliensis</i>
                                             <i>Ceropegia multiflora</i>
                                                   <i>Ceropegia multiflora f. tentaculata</i>
                                                         [Ceropegia tentaculata]
                                               <i>Ceropegia multiflora subsp. multiflora</i>
                                                     [Ceropegia multiflora f. pubescens]
                                                     [Ceropegia multiflora var. latifolia]
                                               <i>Ceropegia multiflora subsp. tentaculata</i>
                                                     [Ceropegia multiflora f. puberula]
                                             <i>Ceropegia muzingana</i>
                                             <i>Ceropegia namuliensis</i>
                                                   [Ceropegia tanzamalawiense]
                                             <i>Ceropegia nana</i>
                                             <i>Ceropegia nigra</i>
                                                   [Ceropegia kroboensis]
                                                   [Ceropegia melanops]
                                             <i>Ceropegia nilotica</i>
                                                   [Ceropegia decumbens]
                                                   [Ceropegia gemmifera]
                                                   [Ceropegia nilotica var. nilotica]
                                                   [Ceropegia plicata]
                                               <i>Ceropegia nilotica var. plicata</i>
                                             <i>Ceropegia noorjahaniae</i>
                                             <i>Ceropegia nutans</i>
                                             <i>Ceropegia occidentalis</i>
                                             <i>Ceropegia occulta</i>
                                               <i>Ceropegia occulta var. occulta</i>
                                             <i>Ceropegia oculata</i>
                                             <i>Ceropegia odorata</i>
                                                   [Ceropegia blatteri]
                                             <i>Ceropegia ogadensis</i>
                                             <i>Ceropegia omissa</i>
                                             <i>Ceropegia pachystachya</i>
                                             <i>Ceropegia pachystelma</i>
                                                   [Ceropegia boerhaaviifolia]
                                                   [Ceropegia pachystelma subsp. undulata]
                                                   [Ceropegia schinziana]
                                               <i>Ceropegia pachystelma subsp. pachystelma</i>
                                                     [Ceropegia acacietorum]
                                                     [Ceropegia obscura]
                                             <i>Ceropegia paniculata</i>
                                               <i>Ceropegia paniculata subsp. paniculata</i>
                                                     [Stapelia paniculata]
                                             <i>Ceropegia paohsingensis</i>
                                             <i>Ceropegia papillata</i>
                                                   [Ceropegia papillata var. cordiloba]
                                                   [Ceropegia papillata var. papillata]
                                             <i>Ceropegia paricyma</i>
                                                   [Ceropegia dentata]
                                                   [Ceropegia mutabilis]
                                             <i>Ceropegia parviflora</i>
                                             <i>Ceropegia parvioriflora</i>
                                               <i>Ceropegia parvioriflora subsp. dependens</i>
                                                     [Caralluma dependens]
                                             <i>Ceropegia perangusta</i>
                                                   [Duvalia angustiloba]
                                             <i>Ceropegia petignatii</i>
                                             <i>Ceropegia peulhorum</i>
                                               <i>Ceropegia peulhorum var. breviloba</i>
                                               <i>Ceropegia peulhorum var. peulhorum</i>
                                             <i>Ceropegia pilifera</i>
                                               <i>Ceropegia pilifera subsp. pilifera</i>
                                                     [Trichocaulon piliferum]
                                             <i>Ceropegia poluniniana</i>
                                             <i>Ceropegia porphyrotricha</i>
                                             <i>Ceropegia powysii</i>
                                             <i>Ceropegia praetermissa</i>
                                             <i>Ceropegia pseudorhynchantha</i>
                                             <i>Ceropegia pubescens</i>
                                             <i>Ceropegia pulvinata</i>
                                                   [Stapelia affinis]
                                                   [Stapelia asterias]
                                                   [Stapelia pulvinata]
                                                   [Stapelia sororia]
                                             <i>Ceropegia punctata</i>
                                                   [Stapelia punctata]
                                               <i>Ceropegia punctata var. framesii</i>
                                                     [Piaranthus framesii]
                                             <i>Ceropegia purpurascens</i>
                                                   [Ceropegia purpurascens subsp. thysanotos]
                                               <i>Ceropegia purpurascens subsp. purpurascens</i>
                                                     [Ceropegia kassneri]
                                                     [Ceropegia kwebensis]
                                             <i>Ceropegia pusilla</i>
                                             <i>Ceropegia pygmaea</i>
                                             <i>Ceropegia radicans</i>
                                               <i>Ceropegia radicans subsp. radicans</i>
                                               <i>Ceropegia radicans subsp. smithii</i>
                                             <i>Ceropegia recurvata</i>
                                             <i>Ceropegia rendallii</i>
                                               <i>Ceropegia rendallii subsp. mutongaensis</i>
                                               <i>Ceropegia rendallii subsp. rendallii</i>
                                             <i>Ceropegia retrospiciens</i>
                                                   [Caralluma retrospiciens]
                                             <i>Ceropegia revoluta</i>
                                                   [Tromotriche revoluta]
                                             <i>Ceropegia rhychantha</i>
                                             <i>Ceropegia rhynchantha</i>
                                             <i>Ceropegia richardsiae</i>
                                             <i>Ceropegia ringens</i>
                                                   [Ceropegia convolvulus]
                                                   [Ceropegia sinuata]
                                             <i>Ceropegia ringoetii</i>
                                                   [Ceropegia schlechteriana]
                                             <i>Ceropegia rudatisii</i>
                                             <i>Ceropegia rufa</i>
                                                   [Stapelia rufa]
                                             <i>Ceropegia rupicola</i>
                                               <i>Ceropegia rupicola var. rupicola</i>
                                               <i>Ceropegia rupicola var. stictantha</i>
                                             <i>Ceropegia salicifolia</i>
                                             <i>Ceropegia sandersonii</i>
                                             <i>Ceropegia sankuruensis</i>
                                                   [Ceropegia degemensis]
                                             <i>Ceropegia santapaui</i>
                                                   [Ceropegia huberi]
                                             <i>Ceropegia saxatilis</i>
                                             <i>Ceropegia scabra</i>
                                             <i>Ceropegia schaijesiorum</i>
                                             <i>Ceropegia schumanniana</i>
                                             <i>Ceropegia semota</i>
                                                   [Stapelia semota]
                                             <i>Ceropegia sepium</i>
                                             <i>Ceropegia seticorona</i>
                                             <i>Ceropegia simoneae</i>
                                             <i>Ceropegia simplex</i>
                                                   [Brachystelma simplex]
                                             <i>Ceropegia sobolifera</i>
                                                   [Ceropegia subtruncata]
                                               <i>Ceropegia sobolifera var. nephroloba</i>
                                               <i>Ceropegia sobolifera var. sobolifera</i>
                                             <i>Ceropegia somalensis</i>
                                                   [Ceropegia somalensis f. erostrata]
                                                   [Ceropegia somalensis f. somalensis]
                                             <i>Ceropegia sootepensis</i>
                                             <i>Ceropegia speciosa</i>
                                             <i>Ceropegia spiralis</i>
                                             <i>Ceropegia splendida</i>
                                             <i>Ceropegia stapeliiformis</i>
                                               <i>Ceropegia stapeliiformis subsp. stapeliiformis</i>
                                             <i>Ceropegia stenantha</i>
                                                   [Ceropegia angustiloba]
                                                   [Ceropegia infausta]
                                                   [Ceropegia mazoensis]
                                                   [Ceropegia quarrei]
                                                   [Ceropegia stenantha var. parviflora]
                                                   [Ceropegia tenuissima]
                                                   [Riocreuxia longiflora]
                                             <i>Ceropegia stenoloba</i>
                                                   [Ceropegia chortophylla]
                                                   [Ceropegia schliebenii]
                                                   [Ceropegia stenoloba var. australis]
                                                   [Ceropegia stenoloba var. moyalensis]
                                                   [Ceropegia stenoloba var. stenoloba]
                                               <i>Ceropegia stenoloba var. schliebenii</i>
                                             <i>Ceropegia stentiae</i>
                                             <i>Ceropegia subaphylla</i>
                                                   [Ceropegia botrys]
                                                   [Ceropegia nuda]
                                             <i>Ceropegia swaziorum</i>
                                             <i>Ceropegia talbotii</i>
                                             <i>Ceropegia tanzaniensis</i>
                                             <i>Ceropegia taprobanica</i>
                                             <i>Ceropegia teniana</i>
                                             <i>Ceropegia thwaitesii</i>
                                             <i>Ceropegia tihamana</i>
                                             <i>Ceropegia tomentosa</i>
                                                   [Ceropegia scabriflora]
                                             <i>Ceropegia tourana</i>
                                             <i>Ceropegia trichantha</i>
                                                   [Ceropegia angustilimba]
                                             <i>Ceropegia tulipiflora</i>
                                                   [Stapeliopsis saxatilis]
                                             <i>Ceropegia tundavalensis</i>
                                             <i>Ceropegia turricula</i>
                                             <i>Ceropegia ugeni</i>
                                             <i>Ceropegia umbraticola</i>
                                                   [Ceropegia chipiaensis]
                                                   [Ceropegia rostrata]
                                                   [Ceropegia schaijesorum]
                                                   [Ceropegia wellmannii]
                                             <i>Ceropegia vaduliae</i>
                                             <i>Ceropegia vanderystii</i>
                                                   [Ceropegia rara]
                                             <i>Ceropegia variegata</i>
                                                   [Ceropegia devecchii var. adelaidae]
                                                   [Ceropegia devecchii]
                                                   [Ceropegia variegata var. cornigera]
                                             <i>Ceropegia verticillata</i>
                                             <i>Ceropegia vincifolia</i>
                                                   [Ceropegia oculata var. subhirsuta]
                                                   [Ceropegia vincaefolia]
                                             <i>Ceropegia volubilis</i>
                                                   [Ceropegia dewevrei]
                                                   [Ceropegia scandens]
                                             <i>Ceropegia wallichii</i>
                                             <i>Ceropegia woodiana</i>
                                                   [Orbea woodii]
                                             <i>Ceropegia woodii</i>
                                             <i>Ceropegia yampwapwa</i>
                                             <i>Ceropegia yorubana</i>
                                             <i>Ceropegia zambesiaca</i>
                                             <i>Ceropegia zeyheri</i>
                                               <i>Ceropegia stapeliiformis subsp. serpentina</i>
                                                     [Ceropegia serpentina]
                                     <i>Chamaeclitandra</i>
                                             <i>Chamaeclitandra henriquesiana</i>
                                                   [Clitandra henriquesiana]
                                                   [Landolphia henriquesiana]
                                     <i>Chilocarpus</i>
                                             <i>Chilocarpus obtusifolius</i>
                                             <i>Chilocarpus vernicosus</i>
                                                   [Chilocarpus globuliferus]
                                     <i>Chlorocodon</i>
                                     <i>Chlorocyathus</i>
                                             <i>Chlorocyathus monteiroae</i>
                                                   [Raphionacme loandae]
                                                   [Raphionacme monteiroae]
                                     <i>Chlorostelma</i>
                                     <i>Chonemorpha</i>
                                             <i>Chonemorpha fragrans</i>
                                                   [Chonemorpha macrophylla]
                                                   [Chonemorpha penangensis]
                                             <i>Chonemorpha splendens</i>
                                             <i>Chonemorpha verrucosa</i>
                                                   [Rhynchodia wallichii]
                                     <i>Christya</i>
                                     <i>Chthamalia</i>
                                             <i>Chthamalia decumbens</i>
                                             <i>Chthamalia nummularia</i>
                                                   [Gonolobus nummularius]
                                             <i>Chthamalia pedunculata</i>
                                                   [Gonolobus pedunculatus]
                                             <i>Chthamalia prostrata</i>
                                                   [Matelea prostrata]
                                             <i>Chthamalia pubiflora</i>
                                             <i>Chthamalia tehuacana</i>
                                     <i>Cibirhiza</i>
                                             <i>Cibirhiza albersiana</i>
                                             <i>Cibirhiza spiculata</i>
                                     <i>Cionura</i>
                                             <i>Cionura erecta</i>
                                                   [Marsdenia erecta]
                                     <i>Clitandra</i>
                                             <i>Clitandra cymulosa</i>
                                                   [Clitandra arnoldiana var. sereti]
                                                   [Clitandra arnoldiana]
                                                   [Clitandra elastica]
                                                   [Clitandra gilletii]
                                                   [Clitandra nzunde]
                                                   [Clitandra orientalis]
                                             <i>Clitandra micrantha</i>
                                             <i>Clitandra simoni</i>
                                     <i>Colocrater</i>
                                     <i>Comularia</i>
                                     <i>Condylocarpon</i>
                                             <i>Condylocarpon amazonicum</i>
                                             <i>Condylocarpon guyanense</i>
                                             <i>Condylocarpon intermedium</i>
                                               <i>Condylocarpon intermedium subsp. intermedium</i>
                                                     [Condylocarpon longii]
                                             <i>Condylocarpon isthmicum</i>
                                                   [Condylocarpon rauwolfiae var. tomentosum]
                                             <i>Condylocarpon myrtifolium</i>
                                             <i>Condylocarpon pubiflorum</i>
                                             <i>Condylocarpon rauwolfiae</i>
                                     <i>Conodura</i>
                                     <i>Conomitra</i>
                                             <i>Conomitra linearis</i>
                                                   [Glossonema lineare]
                                                   [Odontanthera linearis]
                                     <i>Conopharyngia</i>
                                             <i>Conopharyngia usambarensis</i>
                                     <i>Cordylogyne</i>
                                             <i>Cordylogyne argillicola</i>
                                     <i>Corollonema</i>
                                     <i>Couma</i>
                                             <i>Couma arenicola</i>
                                             <i>Couma catingae</i>
                                             <i>Couma guianensis</i>
                                             <i>Couma macrocarpa</i>
                                             <i>Couma rigida</i>
                                             <i>Couma utilis</i>
                                     <i>Craterostemma</i>
                                             <i>Craterostemma sudanicum</i>
                                                   [Lindernia sudanica]
                                             <i>Craterostemma syncerus</i>
                                                   [Lindernia syncerus]
                                     <i>Crioceras</i>
                                             <i>Crioceras dipladeniiflorus</i>
                                                   [Crioceras longiflorus]
                                                   [Tabernaemontana dipladeniiflora]
                  &n