- Prenanthes, genus Prenanthes - genus of North American and Asiatic perennial herbs having pinnatisect leaves small heads of drooping yellowish to purple flowers; sometimes includes species often placed in genus Nabalus
--1 is a kind of asterid dicot genus
--1 is a member of
--1 has members: rattlesnake root, Prenanthes purpureaCompositae, family Compositae, Asteraceae, family Asteraceae, aster family