knapweed

1. (countable, uncountable)Any of various common weeds of, or formerly of, the genus Centaurea.

   Near-synonym: hardhead

   any of various plants of the genus Centaurea having purple thistlelike flowers

2. Any of various common weeds of, or formerly of, the genus Centaurea.

   (countable, uncountable)Centaurea nigra.

3. (countable, uncountable)Rhaponticum repens.

4. (countable, uncountable)Centaurea calcitrapa.

regular

• napweedalternative