HyperDic: bitterweed

English > 2 senses of the word bitterweed:
NOUNplantbitterweed, oxtongue, bristly oxtongue, bugloss, Picris echioideswidespread European weed with spiny tongue-shaped leaves and yellow flowers
plantbitterweed, ragweed, ambrosiaany of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
English > bitterweed: 2 senses > noun 1, plant
Meaningwidespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States.
Synonymsoxtongue, bristly oxtongue, bugloss, Picris echioides
Member ofPicris, genus Picrisgenus of weedy Old World yellow-flowered herbs usually containing a bitter-tasting substance
BroaderweedAny plant that crowds out cultivated plants
Spanishoxtongue
Catalanoxtongue, picris echioides
English > bitterweed: 2 senses > noun 2, plant
MeaningAny of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma.
Synonymsragweed, ambrosia
Member ofgenus AmbrosiaComprising the ragweeds
Narrowercommon ragweed, Ambrosia artemisiifoliaannual weed with finely divided foliage and spikes of green flowers
great ragweed, Ambrosia trifidaA coarse annual with some leaves deeply and palmately three-cleft or five-cleft
western ragweed, perennial ragweed, Ambrosia psilostachyacoarse perennial ragweed with creeping roots of dry barren lands of southwestern United States and Mexico
BroaderweedAny plant that crowds out cultivated plants
Spanishambrosía
Catalanambrosia

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