Sometimes includes species often placed in genus Nabalus

• Genus of North American and Asiatic perennial herbs having pinnatisect leaves small heads of drooping yellowish to purple flowers

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Prenanthes is a genus of plant in the family Asteraceae , often referred to as rattlesnake root . Molecular analysis in 2009 revealed that the genus as traditionally envisioned is polyphyletic , meaning that it is a conglomeration of species not closely ...