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Any of various plants of the genus Prenanthes of the composite family, having bitter-tasting tuberous roots and clusters of white to purple usually nodding flower heads.
[From the belief that the root cured a rattlesnake's bite.]
any of certain composite plants of the genus Prenanthes, whose roots or tubers have been regarded as a remedy for snake bites, as P. serpentaria or P. alba.
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|Noun||1.||rattlesnake root - herb of central and southern Europe having purple florets|
genus Prenanthes, 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
|2.||rattlesnake root - a plant of the genus Nabalus|
genus Nabalus, Nabalus - genus of North American and east Asian perennial herbs; sometimes included in genus Prenanthes
cankerweed, Nabalus alba, Prenanthes alba, white lettuce - herb of northeastern North America having drooping clusters of yellowish-white flowers; sometimes placed in genus Prenanthes