Perennial herbs or woody vines, usually with milky sap; leaves simple, entire; flowers bisexual, regular, solitary or in cymes; fruit a pair of follicles; family includes many poisonous species.
Alternate Family Name (Synonym):
Asclepiadaceae
Seed Type:
Angiosperm
Origin:
Native: native to North America. Non-native: not native to North America. Introduced Native: native to North America, but not Rowe Woods.
* Definitions based on the USDA terminology