释义 |
Noun: bitterweed 'bitur`weed- Widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States
- oxtongue, bristly oxtongue, bugloss, Picris echioides - 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
Derived forms: bitterweeds Type of: weed Part of: genus Ambrosia, genus Picris, Picris Encyclopedia: Bitterweed |