bitterweed

bitterweed

(ˈbɪtəˌwiːd) n (Plants) any of various plants that contain a bitter-tasting substance

Thesaurus

Noun	1.	bitterweed - widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United Statesbristly oxtongue, oxtongue, Picris echioides, buglossgenus Picris, Picris - genus of weedy Old World yellow-flowered herbs usually containing a bitter-tasting substance: bitterweedweed - any plant that crowds out cultivated plants
	2.	bitterweed - any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthmaambrosia, ragweedgenus Ambrosia - comprising the ragweeds; in some classification considered the type genus of a separate family AmbrosiaceaeAmbrosia artemisiifolia, common ragweed - annual weed with finely divided foliage and spikes of green flowers; common in North America; introduced elsewhere accidentallyAmbrosia trifida, great ragweed - a coarse annual with some leaves deeply and palmately three-cleft or five-cleftAmbrosia psilostachya, perennial ragweed, western ragweed - coarse perennial ragweed with creeping roots of dry barren lands of southwestern United States and Mexicoweed - any plant that crowds out cultivated plants