Meaning of eupatorium

eu•pa•to•ri•um

Pronunciation: (y"pu-tôr'ē-um, -tōr'-), [key]
— n.
  1. any of numerous composite plants of the genus Eupatorium, having flat-topped clusters of flowers and comprising the bonesets or thoroughworts.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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