Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
white snakeroot, North American woods perennial (Eupatorium urticifolium) of the family Asteraceae (aster family), having a flat-topped cluster of small white flowers. It is of the same genus as the boneset and joe-pye weed. The herbage contains tremetol, a toxic principle causing “milk sickness,” or milk fever. White snakeroot is classified in the division Magnoliophyta, class Magnoliopsida, order Asterales, family Asteraceae.
The Columbia Electronic Encyclopedia™ Copyright © 2022, Columbia University Press. Licensed from Columbia University Press. All rights reserved.