千葉大学東葛キャンパス植物データベース

属名の詳細: Synadenium [1274]

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科名: Euphorbiaceae

科の和名: トウダイグサ

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説明（英語）: Genus of about 20 species of evergreen shrubs and small trees from dry slopes and banks in tropical Africa to the Mascarene Islands. Their smooth, fleshy stems contain a milky sap. Leaves are alternate, simple, obovate or lance-shaped, and fleshy; insignificant, petal-less flowers are borne from the upper leaf axils. S. compactum var. rubrum is most often grown, for its foliage. Where temperatures fall below 10°C (50°F), grow m a temperate or warm green-house, or as a houseplant. In warmer, dry areas, grow in a shrub border. All.parts of Synadenium species are highly toxic if ingested; sap may irritate skin.

耐寒性（英語）: Frost tender.

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繁殖（英語）: Sow seed at 15-20°C (59-68°F) in spring. Root semi-ripe cuttings in summer, with bottom heat.

病害虫（英語）: Root mealybugs may be a problem under glass.

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更新情報: 作成: 2007-12-06 12:51; 更新: 2020-07-05 11:41

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