Noun Definition
bitterweed
1.Definition: any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
Category: Plants2.Definition: widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States
Related Noun(s):bristly oxtongue, bugloss, oxtongue, picris echioides
Category: Plants