ragweed, n.
(ragweeds)
(ragweeds)
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 having yellow daisylike flowers; sometimes an obnoxious weed and toxic to cattle if consumed in quantity
<noun.plant>
Senecio jacobaea benweed ragweed ragwort tansy ragwort