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Pittosporaceae

海桐科

APG 4
Flora of Taiwan
特徵描述
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Pittosporum 海桐屬
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特徵描述

作者

LI, HUI-LIN and HUANG, TSENG-CHIENG

型態特徵

Erect or climbing trees or shrubs. Leaves alternate or subverticillate, entire, very rarely toothed, estipulate. Flowers usually bisexual, regular, solitary or in corymbs. Sepals 4–5, free or connate at the base, imbricate. Petals 4–5, hypogynous, imbricate. Stamens 5, opposite the sepals, free or more or less connate; anthers versatile, 2-celled, dehiscing longitudinally or by pores. Ovary superior, perfectly or imperfectly 2–4-celled, the placentae parietal or axile on mature flower; style simple, the stigma terminal, 2–5-lobed; ovules numerous, anatropous. Fruit capsular, indehiscent. Seeds usually many; endosperm copious; embryo small.

Nine genera and about 240 species in the Old World, one genus in Taiwan.

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