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Rattlesnake root
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Cichorieae
Genus: Prenanthes
Species: P. purpurea
Binomial name
Prenanthes purpurea

Prenanthes is a genus of plant in the family Asteraceae, often referred to as Rattlesnake root.

Molecular analysis in 2009 revealed that the genus is monotypic, and all but one species will be moved to other genera, leaving only Prenanthes purpurea.[1]


  1. ^ Posch, M., et al. (2011). A new trisaccharide derivative from Prenanthes purpurea. Journal of the Serbian Chemical Society 76(6), 841-45.