eupatorium

American  

[yoo-puh-tawr-ee-uhm, -tohr-] / ˌyu pəˈtɔr i əm, -ˈtoʊr- /

noun

1. any of numerous composite plants of the genus Eupatorium, having flat-topped clusters of flowers and comprising the bonesets or thoroughworts.

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eupatorium British  

/ ˌjuːpəˈtɔːrɪəm /

noun

1. any plant of the genus Eupatorium, of N temperate regions and tropical America: cultivated for their ornamental clusters of purple, pink, or white flowers: family Asteraceae (composites)

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Etymology

Origin of eupatorium

1570–80; < New Latin < Greek eupatṓrion hemp agrimony, after Eupátōr surname of Mithridates, said to have first used it

Example Sentences

Once they crossed a wandering little creek whose shallow waters flowed through lovely meadows where boneset plants were white with bloom and giant eupatorium lifted its rosy heads.

From Amanda — a Daughter of the Mennonites by Myers, Anna Balmer

The warm infusion of eupatorium perfoliatum answers well as an emetic, producing also a laxative effect.

From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various