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knapweed

 - 2 dictionary results
Natural Knapweed Control
biocontrol is cost-efficient, permanent and eco-friendly
www.weedbustersbiocontrol.com

knap⋅weed

  [nap-weed]
Use knapweed in a Sentence
–noun
any composite plant of the genus Centaurea, esp. the weedy C. nigra, having rose-purple flowers set on a dark-colored, knoblike bract.
Also called hardheads, Spanish button.

Origin:
1400–50; late ME knopwed. See knop, weed 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Natural Knapweed Control
biocontrol is cost-efficient, permanent and eco-friendly
www.weedbustersbiocontrol.com
knap·weed   (nāp'wēd')   
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.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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