bitterweed

English Dictionary -> Letter B -> bitterweed

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bitterweed Definition

• (n) widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States
• (n) any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma

bitterweed Synonyms

• ambrosia
• bitterweed
• bristly oxtongue
• bugloss
• oxtongue
• Picris echioides
• ragweed