| The Columbia Encyclopedia, Sixth Edition. 2001-07. |
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| white snakeroot |
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| 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. |
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| | | The Columbia Encyclopedia, Sixth Edition. Copyright © 2007 Columbia University Press. |
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