brown knapweed

noun

Definition of brown knapweed

: a perennial knapweed (Centaurea jacea) with purplish flowers and involucral bracts entire or irregularly margined but not regularly toothed

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Cite this Entry

“Brown knapweed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brown%20knapweed. Accessed 20 May. 2022.

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