Button Snakeroot

Rattlesnake Master, Button Snakeroot, Sea Holly
Their tall, striking foliage and thistlelike clusters of flowers make them a favorite border or rock garden plant. Many are drought-tolerant.

Button Snakeroot [English]: Liatris pycnostachya
Button Snakeroot [English]: Liatris pycnostachya Michx. var. lasiophylla Shinners
Button Snakeroot [English]: Eryngium yuccifolium Michx. var. yuccifolium Michx.

Button Snakeroot, Rattlesnake master, Snakeroot,Button
Species:
Eryngium yuccifolium ...

or button snakeroot, any plant of the genus Liatris, showy North American perennials of the family Asteraceae ( family). The blossoms, rosy purple or white, are in somewhat feathery heads along a usually wandlike stalk.

See also: Snakeroot, Green, Medic, Eryngium, Rattlesnake