千葉大学東葛キャンパス植物データベース

属名の詳細: Craspedia [1903]

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属英名: Bachelor’s buttons, Billy buttons

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科名: Asteraceae

科の和名: キク

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説明（英語）: Genus of 8 species of annuals and perennials from mountainous regions of Australia, Tasmania, and New Zealand. They are grown mainly for their dense, hemispherical flowerheads of tiny, cup-shaped flowers, surrounded by leafy bracts and borne on stiff, unbranched stems. They are also cultivated for their basal rosettes of elliptic, obovate, spoon-shaped, or linear, hairy, mid-green to silvery white leaves. Grow perennial species in a rock garden or scree bed. In damp, frost-prone areas, most are best in an alpine house; grow C. globosa in an annual border. The flowerheads are useful for dried flower arrangements.

耐寒性（英語）: Fully hardy to half hardy.

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繁殖（英語）: Sow seed of annuals and perennials at 13-18°C (55-64°F) in spring. Divide perennials in spring.

病害虫（英語）: Slugs and snails may attack young growth. Red spider mites may be troublesome under glass.

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備考: クラスペディア

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更新情報: 作成: 2007-12-06 12:51; 更新: 2020-09-04 03:56

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