Search Result for "black_knapweed":
Wordnet 3.0

NOUN (1)

1. a weedy perennial with tough wiry stems and purple flowers; native to Europe but widely naturalized;
[syn: lesser knapweed, black knapweed, hardheads, Centaurea nigra]



WordNet (r) 3.0 (2006):

black knapweed
    n 1: a weedy perennial with tough wiry stems and purple flowers;
         native to Europe but widely naturalized [syn: lesser
         knapweed, black knapweed, hardheads, Centaurea
         nigra]