knapweed : Idioms & Phrases
Index
black knapweed
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noun a weedy perennial with tough wiry stems and purple flowers; native to Europe but widely naturalized
hardheads; Centaurea nigra; black knapweed.
WordNet
great knapweed
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noun tall European perennial having purple flower heads
Centaurea scabiosa; great knapweed.
WordNet
greater knapweed
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noun tall European perennial having purple flower heads
Centaurea scabiosa; great knapweed.
WordNet
jersey knapweed
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noun a variety of knapweed
WordNet
lesser knapweed
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noun a weedy perennial with tough wiry stems and purple flowers; native to Europe but widely naturalized
hardheads; Centaurea nigra; black knapweed.
WordNet
slender knapweed
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noun a variety of knapweed
