: any of various weedy centaureas
especially
: a widely naturalized European perennial (Centaurea nigra) with tough wiry stems and knobby heads of purple flowers
Examples of knapweed in a Sentence
Recent Examples on the Web
The Pull Your Share movement, started by Great Falls High teacher Dan Wilkins three years ago, encourages people to spend five to 15 minutes on their trips pulling out noxious, nonnative knapweed at campgrounds and other sites.
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USA TODAY, 14 June 2019
Invasives mainly on roadsides: Cutleaf teasel, wild parsnip,spotted knapweed, phragmites, leafy spurge, Canada thistle and crown vetch.
—Joanne Kempinger Demski, Milwaukee Journal Sentinel, 20 Aug. 2017
USA TODAY, 14 June 2019
Invasives mainly on roadsides: Cutleaf teasel, wild parsnip,spotted knapweed, phragmites, leafy spurge, Canada thistle and crown vetch.
—Joanne Kempinger Demski, Milwaukee Journal Sentinel, 20 Aug. 2017
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'knapweed.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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“Knapweed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/knapweed. Accessed 25 Apr. 2024.
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