千葉大学東葛キャンパス植物データベース

属名の詳細: Othonna [2570]

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科名: Asteraceae

科の和名: キク

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説明（英語）: Genus of about 150 species of evergreen or deciduous, shrubby, succulent perennials and small shrubs, often arising from caudices or thick, tuberous rootstocks. They are found in dry, hilly areas of Tunisia, Algeria, Namibia, and South Africa. They have entire or dissected, fleshy leaves, which are lobed or toothed, and terminal, daisy-like, usually yellow, rarely white or purple flowerheads, produced singly or in corymbs from summer to winter. In areas where temperatures drop below 10°C (50°F), grow tender species as houseplants or in a temperate greenhouse; in warm, dry climates, use in a desert border. Grow O. cheirifolia in a raised bed or rock garden, or in a sunny border.

耐寒性（英語）: Fully hardy to frost tender.

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繁殖（英語）: Sow seed at 18-21°C (64-70°F) in spring. Insert basal or semi-ripe cuttings with bottom heat in late summer. Take basal cuttings of O. cheirifolia in early summer.

病害虫（英語）: Prone to red spider mites and aphids.

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更新情報: 作成: 2010-06-04 18:58; 更新: 2020-07-05 11:42

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