bitterweed, n.
(bitterweeds)
(bitterweeds)
any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
<noun.plant>
ambrosia bitterweed ragweed
semantic pointers
member holonym
hypernym
hyponym
widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States
<noun.plant>
Picris echioides bitterweed bristly oxtongue bugloss oxtongue