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knapweed

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knap·weed  (npwd)
n.
Any of various thistles of the genus Centaurea, having variously colored flowers grouped in a head with a spiny involucre.

[Middle English knopwed : knop, knob; see knop + wed, weed; see weed1.]

knapweed [ˈnæpˌwiːd]
n
(Life Sciences & Allied Applications / Plants) any of several plants of the genus Centaurea, having purplish thistle-like flowers: family Asteraceae (composites) See also centaury [2] hardheads
[C15 knopwed; see knop, weed1]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.knapweed - any of various plants of the genus Centaurea having purple thistlelike flowersknapweed - any of various plants of the genus Centaurea having purple thistlelike flowers
slender knapweed - a variety of knapweed
Jersey knapweed - a variety of knapweed
centaury - any plant of the genus Centaurea
black knapweed, Centaurea nigra, hardheads, lesser knapweed - a weedy perennial with tough wiry stems and purple flowers; native to Europe but widely naturalized
Centaurea scabiosa, great knapweed, greater knapweed - tall European perennial having purple flower heads


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Volunteers catalog plant species, document wildlife and battle nasty invasive weeds like Russian knapweed.
Hicks, whose personal favourites are cornflowers and knapweed, wants to buck the trend.
Hicks, whose personal favourites are cornflowers and knapweed, wants to buck the trend.
 
 
 
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