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1. any composite plant of the genus Liatris, having narrow, alternate leaves and spikelike heads of rose-purple flowers.
2. a plant, Eryngiumyuccifolium, of the parsley family, native to the southeastern U.S., having bristly leaves.
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|Noun||1.||button snakeroot - coarse prickly perennial eryngo of United States thought to cure rattlesnake bite|
perennial - (botany) a plant lasting for three seasons or more
|2.||button snakeroot - coarse prickly perennial eryngo with aromatic roots; southeastern United States; often confused with rattlesnake master|
herb, herbaceous plant - a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
|3.||button snakeroot - any of various North American plants of the genus Liatris having racemes or panicles of small discoid flower heads|
genus Liatris, Liatris - genus of perennial North American herbs with aromatic usually cormous roots
dotted gayfeather, Liatris punctata - herb with many stems bearing narrow slender wands of crowded rose-lavender flowers; central United States and Canada to Texas and northern Mexico