any composite plant of the genus Liatris, having narrow, alternate leaves and spikelike heads of rose-purple flowers.
an eryngo, Eryngium yuccifolium, of the southeastern U.S., having bristly leaves and whitish flowers.
Origin of button snakeroot
An Americanism dating back to 1765–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019