knapweed, n.
(knapweeds)
(knapweeds)
any of various plants of the genus Centaurea having purple thistlelike flowers
<noun.plant>
knapweed
semantic pointers
hyponym
slender knapweed
Jersey knapweed
lesser knapweed, black knapweed, hardheads, Centaurea nigra
great knapweed, greater knapweed, Centaurea scabiosa
hypernym