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Plant
habit
trees
shrubs
vines / lianas
herbaceous
cactus-like / succulents
aquatic & OBL wetland species
special groups
composites
legumes
milkweeds
mints
spurges
dicots
longevity
annual or biennial
perennial
armature
unarmed
armed
sap
latex absent (sap clear)
latex present
leaves/twigs aromatic when crushed
without marked odor
clearly odiferous
Leaves
arrangement/phyllotaxy
basal
alternate
opposite
whorled
fascicled/clustered along stem
blade division
all simple
deeply lobed or divided
some or all fully compound
fleshy or succulent leaves
fleshy/succulent
not fleshy/succulent
Flower
ovaries/pistils per flower
1
2-5
more than 5
ovary position
sepals/petals attached above middle of ovary (inferior or partly inferior ovary)
sepals/petals attached below middle of ovary (ovary superior)
Fruit or Cone
fruit consistency at maturity
dry/leathery
fleshy
USDA Plants Database
Species Count: 1559
Actinidiaceae
Amaranthaceae
Anacardiaceae
Apiaceae
Apocynaceae
Aquifoliaceae
Araliaceae
Asteraceae
Balsaminaceae
Berberidaceae
Betulaceae
Bignoniaceae
Boraginaceae
Brassicaceae
Campanulaceae
Cannabaceae
Caprifoliaceae
Caryophyllaceae
Celastraceae
Cistaceae
Cleomaceae
Clethraceae
Convolvulaceae
Cornaceae
Crassulaceae
Cucurbitaceae
Diapensiaceae
Droseraceae
Elaeagnaceae
Elatinaceae
Ericaceae
Euphorbiaceae
Fabaceae
Fagaceae
Gentianaceae
Geraniaceae
Grossulariaceae
Haloragaceae
Hamamelidaceae
Hydrangeaceae
Hypericaceae
Juglandaceae
Lamiaceae
Lentibulariaceae
Linaceae
Linderniaceae
Lythraceae
Malvaceae
Martyniaceae
Melastomataceae
Menyanthaceae
Molluginaceae
Montiaceae
Moraceae
Myricaceae
Nelumbonaceae
Nyctaginaceae
Nyssaceae
Oleaceae
Onagraceae
Orobanchaceae
Oxalidaceae
Papaveraceae
Penthoraceae
Phrymaceae
Phytolaccaceae
Plantaginaceae
Platanaceae
Plumbaginaceae
Podostemaceae
Polemoniaceae
Polygalaceae
Polygonaceae
Portulacaceae
Primulaceae
Ranunculaceae
Resedaceae
Rhamnaceae
Rosaceae
Rubiaceae
Rutaceae
Salicaceae
Santalaceae
Sapindaceae
Sarraceniaceae
Saxifragaceae
Scrophulariaceae
Simaroubaceae
Solanaceae
Thymelaeaceae
Ulmaceae
Urticaceae
Verbenaceae
Viburnaceae
Violaceae
Vitaceae