bitterweed
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bitterweed
(ˈbɪtəˌwiːd)n
(Plants) any of various plants that contain a bitter-tasting substance
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Noun | 1. | ![]() genus Picris, Picris - genus of weedy Old World yellow-flowered herbs usually containing a bitter-tasting substance: bitterweed weed - any plant that crowds out cultivated plants |
2. | ![]() genus Ambrosia - comprising the ragweeds; in some classification considered the type genus of a separate family Ambrosiaceae Ambrosia artemisiifolia, common ragweed - annual weed with finely divided foliage and spikes of green flowers; common in North America; introduced elsewhere accidentally Ambrosia trifida, great ragweed - a coarse annual with some leaves deeply and palmately three-cleft or five-cleft Ambrosia psilostachya, perennial ragweed, western ragweed - coarse perennial ragweed with creeping roots of dry barren lands of southwestern United States and Mexico weed - any plant that crowds out cultivated plants |
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