: 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.
—
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
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
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
Dictionary Entries Near knapweed
Cite this Entry
“Knapweed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/knapweed. Accessed 28 Dec. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share