Prenanthes
Encyclopedia
Prenanthes is a genus of plants in the family Asteraceae
Asteraceae
The Asteraceae or Compositae , is an exceedingly large and widespread family of vascular plants. The group has more than 22,750 currently accepted species, spread across 1620 genera and 12 subfamilies...

, often referred to as Rattlesnake root. It consists of about 25 to 30 species, native to North America, Asia, and Africa. Most species have flowers that nod (bend over and point downwards) and lobed leaves. The genus, as defined this way, may be polyphyletic.

The flowers are white, yellow, or pink.
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