| NOUN | plant | bitterweed, oxtongue, bristly oxtongue, bugloss, Picris echioides | widespread European weed with spiny tongue-shaped leaves and yellow flowers |
|---|---|---|---|
| plant | bitterweed, ragweed, ambrosia | any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma |
| Meaning | widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States. | |
|---|---|---|
| Synonyms | oxtongue, bristly oxtongue, bugloss, Picris echioides | |
| Member of | Picris, genus Picris | genus of weedy Old World yellow-flowered herbs usually containing a bitter-tasting substance |
| Broader | weed | Any plant that crowds out cultivated plants |
| Spanish | oxtongue | |
| Catalan | oxtongue, picris echioides | |
| Meaning | Any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma. | |
|---|---|---|
| Synonyms | ragweed, ambrosia | |
| Member of | genus Ambrosia | Comprising the ragweeds |
| Narrower | common ragweed, Ambrosia artemisiifolia | annual weed with finely divided foliage and spikes of green flowers |
| great ragweed, Ambrosia trifida | A coarse annual with some leaves deeply and palmately three-cleft or five-cleft | |
| western ragweed, perennial ragweed, Ambrosia psilostachya | coarse perennial ragweed with creeping roots of dry barren lands of southwestern United States and Mexico | |
| Broader | weed | Any plant that crowds out cultivated plants |
| Spanish | ambrosía | |
| Catalan | ambrosia | |
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