Chiba University Matsudo/Kashiwa Campus Plant Database

Details of genus: Osteospermum [1188]

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Family: Asteraceae

family_ja: キク

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description_en: Genus of about 70 species of evergreen subshrubs, perennials, and annuals, mostly from southern Africa, but also from the Arabian Peninsula, mainly found in grassland, on rocky mountains, or at forest margins. The alternate leaves are linear to broadly obovate, with entire, toothed, or lobed margins. Osteospermums are grown for their daisy-like, usually white, pink, or yellow flowerheads, sometimes with disc-florets in a contrasting colour, borne singly or in open panicles from late spring to autumn. Numerous cultivars have been selected and named; they have ray-florets varying from deep magenta through deep or pale pink to white or yellow. Grow osteospermums in a border; in frost-prone areas, the half-hardy perennials and subshrubs are best grown as annuals.

hardiness_en: Fully hardy to frost tender. Many cultivars will withstand short spells down to -10°C (14°F).

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propagation_en: Sow seed at 18°C (64°F) in spring. Root softwood cuttings in late spring or semi-ripe cuttings in late summer.

pests_en: Prone to aphids, downy mildew, and Verticillium wilt.

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comment_ja: オステオスペルムム

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Update Information: Created: 2007-12-06 12:51; Updated: 2020-09-04 03:56

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