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Hypericaceae

金絲桃科

特徵描述
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特徵描述

[ Guttiferae 金絲桃科 ]

作者

ROBSON, NORMAN K. B.

型態特徵

Trees, shrubs or herbs with various glandular secretions. Leaves simple, entire, opposite and exstipulate. Inflorescences various. Flowers bisexual or unisexual, regular. Sepals (2-)4-5(-6), imbricate or decussate, the inner ones sometimes petaloid. Petals 4-5(-10), free, imbricate or contorted in bud. Stamens indefinite, free or in 4-5(-10) free or variously united fascicles, often with the antisepalous fascicles sterile or absent. Ovary superior, 1-12-locular, with axile or parietal or basal placentation; ovules 1 to many; styles 1-5 or absent, the stigmas 1-12. Fruit a capsule, berry or drupe. Seeds 1 to many, without endosperm; embryo various; aril present or not.

A family of 40 genera and about 900 species, chiefly tropical and subtropical but with two genera (Hypericum and Triadenum) in temperate regions; four genera and 20 species in Taiwan.

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