Meaning of button snakeroot

but'ton snake'root

Pronunciation: [key]
  1. any composite plant of the genus Liatris, having narrow, alternate leaves and spikelike heads of rose-purple flowers.
  2. an eryngo, Eryngium yuccifolium, of the southeastern U.S., having bristly leaves and whitish flowers.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.