| 单词 | knapweed |
| 释义 | knapweed (once / 241211 pages) n WORD FAMILY knapweed: knapweeds USAGE EXAMPLESOfficials say they also are worried about the Russian knapweed, salt cedar, and musk thistle. Washington Times(Sep 20, 2016) She came down and skimmed over the tops of the knapweed and grasses to scare up the prey. Jean Craighead George, Frightful's Mountain(2001) Land will be seeded with species such as lesser knapweed, field scabious, birdsfoot trefoil and red clover. BBC(Apr 12, 2011) n any of various plants of the genus Centaurea having purple thistlelike flowers Hypo|Hyper slender knapweed a variety of knapweed Jersey knapweeda variety of knapweed Centaurea nigra, black knapweed, hardheads, lesser knapweeda weedy perennial with tough wiry stems and purple flowers; native to Europe but widely naturalized Centaurea scabiosa, great knapweed, greater knapweedtall European perennial having purple flower heads centaury any plant of the genus Centaurea |
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