千葉大学東葛キャンパス植物データベース

属名の詳細: Porana [2620]

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科名: Convolvulaceae

科の和名: ヒルガオ

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説明（英語）: Genus of about 20 species of evergreen, twining climbers or shrubs, closely related to Ipomoea, from open or dense woodland in tropical Africa, Asia, and Australia. They have alternate, usually heart-shaped leaves, and are grown for their small, bell- to funnel-shaped, white, blue, or purple flowers, borne singly or in terminal panicles or cymes. Where temperatures drop below 7°C (45°F), grow in a cool or temperate greenhouse. In warmer regions, they are suitable for training over a pergola or arch, or through a shrub.

耐寒性（英語）: Frost tender.

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繁殖（英語）: Soak seed and sow at 18°C (64°F) in spring. Root greenwood cuttings in early summer, or semi-ripe cuttings with bottom heat in late summer.

病害虫（英語）: Prone to red spider mites and whiteflies under glass.

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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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