千葉大学東葛キャンパス植物データベース

属名の詳細: Commelina L. [675]

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属英名: Day flower, Widow’s tears

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科名: Commelinaceae

科の和名: ツユクサ

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説明（英語）: Genus of 100 species of mat-forming or clump-forming annuals and fibrous- or tuberous-rooted perennials from forest floors in tropical and subtropical regions of southern Africa, Asia, and North, Central, and South America. The leaves are alternate and ovate, lance-shaped, or linear. Most species root at the leaf nodes as they spread. One-sided cymes of small, saucer-shaped, 3-petalled flowers are enclosed in folded, terminal, spathe-like bracts; flowers emerge one at a time, each lasting less than a day. Use Commelina species as permanent ground cover. In frost-prone areas, grow tender species in a cool greenhouse or outdoors in an annual border; frost-hardy species are suitable for a herbaceous border.

耐寒性（英語）: Frost hardy to frost tender; crowns of some tender species may tolerate -3°C (27°F), perhaps lower, in well-drained soil.

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繁殖（英語）: Sow seed at 13-18°C (55-64°F) in spring. Divide in spring.

病害虫（英語）: Slugs and vine weevils may be a problem.

説明:

備考（英語）: Tropical & warm

備考: ツユクサ，オオボウシバナ

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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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