knapweed

/ˌnæpˈwid/
IPA guide

Other forms: knapweeds

Definitions of knapweed
  1. noun
    any of various plants of the genus Centaurea having purple thistlelike flowers
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    types:
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    slender knapweed
    a variety of knapweed
    Jersey knapweed
    a variety of knapweed
    Centaurea nigra, black knapweed, 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
    type of:
    centaury
    any plant of the genus Centaurea
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