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Hydrophyllaceae

水葉草科

APG 4
Flora of Taiwan
特徵描述
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Hydrolea 探芹草屬
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特徵描述

作者

LI, Hui-Lin

型態特徵

Annual or perennial herbs, rarely subshrubs, usually hairy. Leaves mostly alternate, rarely opposite, entire to pinnately lobed, estipulate. Inflorescences one-sided cymes or false racemes, coiled from apex when young. Flowers bisexual, regular, 5-merous, bractless, mostly bluish or white.Calyx usually 5-cleft to base, imbricate. Corolla sympetalous, rotate to campanulate, usually 5-cleft, lobes usually imbricate. Stamens 5, adnate to short corolla-tube, filaments equal or unequal, anthers unequal, versatile. Disc present or absent. Ovary superior, 2-celled; placentae 2, parietal, 4-many-ovuled; style 1 and bifid or 2, stigma capitate. Fruit a capsule, 2–4-valved or dehiscing irregularly, 4-many-seeded. Seeds striate or pitted, with endosperm.

A family of about 18 genera, mostly in North America, a few species in Asia and Africa; one genus with one species in Taiwan.

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型態特徵

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