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Violaceae

堇菜科

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特徵描述

作者

WANG, JENN-CHE and HUANG, TSENG-CHIENG

型態特徵

Herbs, rarely shrubs. Leaves alternate, rarely opposite, simple; stipules leafy or small. Flowers in Taiwan solitary in the leaf axils, bisexual, zygomorphic, sometimes cleistogamous; sepals 5, persistent; petals 5, unequal, the anterior one often spurred; stamens 5, hypogynous, closely connivent in a ring around the ovary, the anthers 2-celled, introrse, the top produced a membranaceous appendage convering with others, the lower two often spurred, longitudinally dehiscent; pistil 1, ovary superior, unilocular with generally 3 carpels, parietal; ovules many, antropous. Fruit a 3-valved capsule. Seeds many, sessile; endosperm fleshy; embryo straight.

About 17 genera and 900 species, cosmopolitan. Two genera in Taiwan.

參考文獻

Hybanthus 鼠鞭草屬

作者

WANG, JENN-CHE and HUANG, TSENG-CHIENG

型態特徵

Small gnarly shrubs or herbs. Leaves alternate, more or less sessile; blade narrowly elliptic to almost needle-shaped, margin entire to incised; stipules in pairs, small. Flowers axillary, bisexual, zygomorphic, solitary, with a pair of bracteoles at the joint of peduncle and pedicel; sepals 5, more or less triangular, nearly equal, entire, without appendages at base, persistent; petals 5, unequal, the posterior ones small and straight, the anterior one extended to a lip, with a short spur at base; stamens 5, connivent around the gynoecium; filaments free, short; anther 2-celled, with a distinct membraneous connective appendage, the lower two with a patent gland at the base; ovary unilocular, ovules numerous, on 3-parietal placentas; style simple, geniculate at base, conspicuously clavate, with an anterior openning of stigmatic cavity. Fruit a 3-valved capsule, subglobose, valves leathery. Seeds numerous, ellipsoid, with longitudinal ribs.

參考文獻

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