千葉大学東葛キャンパス植物データベース

属名の詳細: Tabernaemontana L. [2117]

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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 at least 100 species of rounded to upright, evergreen trees and shrubs found in tropical areas worldwide, in a variety of habitats, from rocky coppices to forests. They have opposite, simple, usually oblong to elliptic leaves, and are grown for their salverform flowers, each with 5 wide-spreading lobes, produced in sparsely branched, terminal cymes over a long period in summer. In areas where temperatures fall below 10-13°C (50-55°F), grow in a temperate or warm greenhouse. Elsewhere, grow in a shrub border or small courtyard garden.

耐寒性（英語）: Frost tender.

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繁殖（英語）: Sow seed at 16-20°C (61-68°F) in spring. Insert semi-ripe cuttings in summer, with bottom heat in cool areas. Layer or air layer in spring.

病害虫（英語）: Scale insects and aphids may be a problem under glass.

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備考（英語）: trop.

備考: サンユウカ

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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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