Definition of 'button snakeroot'

Noun

1. coarse prickly perennial eryngo of United States thought to cure rattlesnake bite
      Synonyms: rattlesnake master rattlesnake's master Eryngium yuccifolium
2. coarse prickly perennial eryngo with aromatic roots; southeastern United States; often confused with rattlesnake master
      Synonyms: Eryngium aquaticum
3. any of various North American plants of the genus Liatris having racemes or panicles of small discoid flower heads
      Synonyms: blazing star gayfeather gay-feather snakeroot

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