Nouns

(n)rattlesnake master, rattlesnake's master, button snakeroot, Eryngium yuccifoliumcoarse prickly perennial eryngo of United States thought to cure rattlesnake bite
(n)button snakeroot, Eryngium aquaticumcoarse prickly perennial eryngo with aromatic roots; southeastern United States; often confused with rattlesnake master
(n)blazing star, button snakeroot, gayfeather, gay-feather, snakerootany of various North American plants of the genus Liatris having racemes or panicles of small discoid flower heads