snakeroot

(noun) a plant of the genus Sanicula having palmately compound leaves and unisexual flowers in panicled umbels followed by bristly fruit; reputed to have healing powers. Synonyms: sanicle.

(noun) any of various North American plants of the genus Liatris having racemes or panicles of small discoid flower heads. Synonyms: blazing star, button snakeroot, gayfeather, gay-feather.