knapweed

[ nap-weed ]

noun

1. any composite plant of the genus Centaurea, especially the weedy C. nigra, having rose-purple flowers set on a dark-colored, knoblike bract.

knapweed

/ ˈnæpˌwiːd /

noun

1. See centaury, hardheads
   any of several plants of the genus Centaurea, having purplish thistle-like flowers: family Asteraceae (composites) See also centaury hardheads

Word History and Origins

Origin of knapweed¹

First recorded in 1400–50, knapweed is from the late Middle English word knopwed. See knop, weed ¹

Word History and Origins

Origin of knapweed¹

C15 knopwed; see knop, weed ¹

Example Sentences

The seeds of brook-lime, flax, and knapweed the twite seems partial to, and this wild-weed field is to them a very paradise.

From Project Gutenberg

The moth is out in July and in August, and may often be seen resting on the flowers of knapweed (Centaurea) in the daytime.

From Project Gutenberg

The knapweed was stunted and the scabious blooms drooped towards the dusty pasture.

From Project Gutenberg

Strong woody knapweed endures it, so does toadflax and pale blue scabious, and wild mignonette.

From Project Gutenberg

They are of a greyish colour—nappy—whence the name Knapweed.

From Project Gutenberg