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''Centaurea scabiosa'' or Greater Knapweed is a perennial plant of the genus ''Centaurea''. It is native to Europe and bears purple flower heads. Greater knapweed is found growing in dry grasslands, hedgerows and cliffs on lime-rich soil. Upright branched stems terminate in single thistle-like flowerheads, each having an outer ring of extended, purple-pink 'ragged' bracts which form a crown around the central flowers. The plant has deeply dissected leaves which form a clump at the base. This species is very valuable to bees. It is also a magnet for many species of butterfly. Among them is the Marbled White. This is the only known foodplant for caterpillars of the Coleophoridae case-bearer moth ''Coleophora didymella''. Centaurea scabiosa has been used in traditional herbal healing as either a vulnerary or an emollient. The plant is sometimes confused with Devils-bit Scabious, however the leaves on this plant are arranged alternately, whereas in Devils-bit they are opposite. == Images == Centaurea scabiosa MichaD 2.jpg| Bombus veteranus - Centaurea scabiosa - Keila.jpg| Centaurea scabiosa - põldjumikas Valingu.jpg| Bombus lucorum - Centaurea scabiosa - Keila.JPG| 20150723Centaurea scabiosa2.jpg| 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Centaurea scabiosa」の詳細全文を読む スポンサード リンク
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