| 释义 |
black knapweed
Thesaurus| Noun | 1. |  black knapweed - a weedy perennial with tough wiry stems and purple flowers; native to Europe but widely naturalizedCentaurea nigra, hardheads, lesser knapweedknapweed - any of various plants of the genus Centaurea having purple thistlelike flowers |
black knapweed
Related to black knapweed: greater knapweedSynonyms for black knapweednoun a weedy perennial with tough wiry stems and purple flowersSynonyms- Centaurea nigra
- hardheads
- lesser knapweed
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