greater knapweed


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Noun1.greater knapweed - tall European perennial having purple flower headsgreater knapweed - tall European perennial having purple flower heads
knapweed - any of various plants of the genus Centaurea having purple thistlelike flowers
References in periodicals archive ?
He said: "I discovered that the main requirement of the bee is an abundance of greater knapweed, which is one of the special flowers of chalk grassland.
Chuck in some claret hedge woundwort, white bladder campion and a little hoary bedstraw, greater knapweed and delightful pink bloody cranesbill.

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