属名の詳細: Echidnopsis Hook. f. [1363]
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科名: Apocynaceae
科の和名: キョウチクトウ
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説明（英語）: Genus of about 20 species of very variable, perennial succulents from low hillsides in Saudi Arabia, Oman, Yemen, and tropical E. Africa and South Africa. They have branching, prostrate to erect, spherical to short-columnar stems, each with 6- to 20-angled, dark green ribs, usually divided into hexagonal tubercles. Tiny, grey-green leaves are short-lived, sometimes persisting as white spines on the tubercles. Saucer- to bell-shaped, 5-lobed, fleshy flowers, with whorled, cup-shaped corollas, are borne in clusters, mainly at the stem tips. In frost-prone areas, grow as houseplants or in a warm greenhouse; in warm, dry climates, grow outdoors in a border with other succulents.
耐寒性（英語）: Frost tender.
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繁殖（英語）: In spring or summer, sow seed at 21-24°C (70-75°F), or take stem cuttings ensuring the cut surface forms a complete callus before inserting.
病害虫（英語）: Vulnerable to black rot if overwatered, especially if temperatures fall below 16°C (61°F).
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備考（英語）: E Africa to Arabia
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更新情報: 作成: 2007-12-06 12:51; 更新: 2020-07-05 11:41
科の学名:
| 体系 | 正名？ | 学名 | 和名 | 科内の分類 | 種の数 | |
| APG4 | Apocynaceae | キョウチクトウ科 | 詳細 | |||
| PB2 | Asclepiadaceae | ガガイモ科 | 詳細 | |||
| PB3 | Apocynaceae | キョウチクトウ科 | 詳細 |