千葉大学東葛キャンパス植物データベース

属名の詳細: Pelargonium [1201]

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科名: Geraniaceae

科の和名: フウロソウ

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説明（英語）: Genus of about 230 species of mainly evergreen perennials, succulents, sub-shrubs, and shrubs, commonly but incorrectly known as geraniums. They occur in a variety of habitats, from mountains to deserts, mostly in South Africa. The many cultivars, derived from about 20 species, are popular garden plants; few species are grown. Leaves are variable, but are usually alternate, palmately lobed or pinnate, sometimes aromatic, often on long stalks. Erect stems bear 5-petalled flowers in terminal, umbel-like clusters (pseudoumbels) referred to m this account as "clusters". The flowers are saucer- or star-shaped, trumpet- or funnel-shaped, or "butter-fly"-shaped (the upper 2 petals larger than the lower 3); they are usually borne from spring to summer, although many will flower throughout the year if kept above 7-10°C (45-50°F). In frost-prone areas, use in containers outside in summer or as bedding plants, and overwinter in a cool greenhouse or conservatory. In frost-free areas, grow in a sunny border. Use scented-leaved cultivars as edging for a border or along-side a path. For winter flowers, grow in a temperate greenhouse or as house-plants. Contact with the foliage may occasionally aggravate skin allergies. Most cultivars belong to one of the following 6 horticultural groups.

耐寒性（英語）: Mostly frost tender; there are 1 or 2 hardy species from Turkey.

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繁殖（英語）: Sow seed of species and F1 zonal pelargoniums at 13-18°C (55-64°F) in late winter and early spring. Take softwood cuttings in spring, late summer, or early autumn.

病害虫（英語）: Susceptible to vine weevils, leafhoppers, root mealy-bugs, aphids, caterpillars, western flower thrips, sciarid flies, grey mould (Botrytis), and black leg. Zonal pelargoniums are particularly prone to rust, and regal pelargoniums to whiteflies.

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備考: テンジクアオイ(ゼラニウム＝geranium)

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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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