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knapweed definition

knap·weed (nap′wēd′)

noun

any of several weedy plants (genus Centaurea) of the composite family; esp., a hardy perennial (C. nigra) with heads of rose-purple flowers

Etymology: earlier knopweed: see knop & weed

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

knapweed Usage Examples

Adjective modifier

  • black: Look out for wild carrot, white clover, weld, ragwort, thistle and black knapweed.

Modifies a noun

  • broomrape: The reserve also boasts probably the largest numbers of the parasitic knapweed broomrape anywhere in the county.
knapweed usage examples (more)

The word usage examples above have been gathered from various sources to reflect current and historical usage. They do not represent the opinions of YourDictionary.com.

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"knapweed." Webster's New World College Dictionary. 2009

  • Your Dictionary. 5 July 2009
  • <www.yourdictionary.com/knapweed>

APA Style

knapweed. (2009). In Webster's New World College Dictionary

  • Retrieved July 5th, 2009, from www.yourdictionary.com/knapweed

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