black knapweed

1. 1.

   a weedy perennial with tough wiry stems and purple flowers; native to Europe but widely naturalized

   Synonymslesser knapweedhardheadsCentaurea nigra

   Broaderknapweed

Questions about black knapweed

What does black knapweed mean?

black knapweed means "a weedy perennial with tough wiry stems and purple flowers; native to Europe but widely naturalized".

What is another word for black knapweed?

Close synonyms include lesser knapweed, hardheads, Centaurea nigra. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is black knapweed a common word?

black knapweed is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.