Englisch
Detailed Synonyms for black knapweed in Englisch
black knapweed:
black knapweed [the ~] Nomen
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the black knapweed
– a weedy perennial with tough wiry stems and purple flowers; native to Europe but widely naturalized 1the lesser knapweed; the Centaurea nigra; the black knapweed; the hardheads– a weedy perennial with tough wiry stems and purple flowers; native to Europe but widely naturalized 1