button snakeroot

(noun) coarse prickly perennial eryngo of United States thought to cure rattlesnake bite. Synonyms: rattlesnake master, rattlesnake's master, button snakeroot, Eryngium yuccifolium.

(noun) coarse prickly perennial eryngo with aromatic roots; southeastern United States; often confused with rattlesnake master. Synonyms: button snakeroot, Eryngium aquaticum.

(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, snakeroot.