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Menispermaceae

防己科

APG 4
Flora of Taiwan
特徵描述
屬列表
Cissampelos 錫生藤屬
Cocculus 木防己屬
Cyclea 土防己屬
Pericampylus 細圓藤屬
Sinomenium 漢防己屬
Stephania 千金藤屬
Tinospora 青牛膽屬
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特徵描述

作者

HUANG, SHING-FAN and HUANG, TSENG-CHIENG

型態特徵

Climbing or twining, rarely erect, woody or suffruticose, dioecious plants. Leaves alternate, usually palmately veined and often lobed; stipules absent. Flowers small, usually in axillary racemes, sometimes panicles, solitary cymes or discoid heads, regular or rarely slightly irregular, 3-bracteolate; sepals usually 6, in 2 whorls, imbricate, outer whorl often smaller; petals 6, usually smaller than sepals, sometimes wanting, free or connate. Male flowers: stamens 3-12, free or connate, 2-celled; rudimentary carpels small or absent. Female flowers: staminodes 6 or absent; carpels usually 3, rarely 1 or 6 or more, free, sessile or stipitate; style terminal, simple or divided; ovule solitary, usually amphitropous. Ripe carpels drupaceous, usually strongly curved, stipitate or sessile, endocarp usually sculptured, bony or chartaceous. Seeds usually hook-shaped or reniform, often curved; endosperm smooth or ruminate or absent; embryo usually curved, cotyledons flat or semiterete.

About 63 genera and over 200 species, chiefly in the tropics; six genera in Taiwan.

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