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单词 richweed
释义

richweed

/ˈrɪtʃwiːd/
North American
noun
1Clearweed, Pilea pumila.
2Horse-balm, Collinsonia canadensis.
3White snakeroot, Ageratina altissima (family Asteraceae), which contains a toxic alkaloid. Now rare.
  • Ageratina altissima was formerly known as Eupatorium rugosum, E. ageratoides, or E. urticaefolium..

Origin

Mid 18th century (in an earlier sense). From rich + weed.

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更新时间:2026/6/2 19:21:41