千葉大学東葛キャンパス植物データベース

属名の詳細: Dracocephalum [2352]

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属英名: Dragon’s head

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科名: Lamiaceae

科の和名: シソ

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説明（英語）: Genus of 50 species of annuals, perennials, and dwarf, evergreen shrubs found in a range of habitats, from dry, sunny steppes and rocky, grassy slopes to dry woodland, mostly in Eurasia, but also in N. Africa and N. USA. They are grown for their whorls of sage-like, tubular, 2-lipped flowers produced in upright, terminal or axillary racemes, 7-30cm (3-12in) or more long, in summer. They have square stems, and opposite, often aromatic, mainly linear to broadly ovate, entire or toothed, lobed or pinnatisect, mid-green leaves, usually 1.5-8cm (1/2-3in) long. Grow in a border or rock garden; some species are also suitable for naturalizing in partial shade. Annuals may be used to fill gaps in mixed plantings.

耐寒性（英語）: Fully hardy.

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繁殖（英語）: Sow seed of annuals in situ in mid-spring, thinning as required. Divide or sow seed of perennials in containers in a cold frame in autumn or spring, or root basal cuttings of young growth in mid- or late spring.

病害虫（英語）: Occasionally affected by rust and mildew.

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更新情報: 作成: 2010-06-04 18:58; 更新: 2020-07-05 11:41

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