Vi fant 2 definisjoner av bitterweed på engelsk.
Noun |
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| bitterweed - any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma | ||
| ragweed, ambrosia | ||
| weed a black band worn by a man (on the arm or hat) as a sign of mourning | ||
| 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 | ||
| bitterweed - widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States | ||
| oxtongue, bristly oxtongue, bugloss, Picris echioides | ||
| weed a black band worn by a man (on the arm or hat) as a sign of mourning | ||