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Leguminosae

豆科

特徵描述
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特徵描述

作者

HUANG, TSENG-CHIEN and OHASHI, HIROYOSHI

型態特徵

Herbs, shrubs, or trees. Leaves stipulate and usually alternate, pinnate or digitately compound, or simple, sometimes with the rachis ending in a tendril. Inflorescence variable, axillary, leaf-opposed or terminal, mostly pseudoracemose or panicled, bracts and bracteoles usually both present; flowers usually irregular, hermaphroditic, rarely regular or polygamous; sepals 4–5, connate or free, often unequal, sometimes combined into 2 lips; petals 5, rarely fewer by reduction, usually free and unequal; stamens normally 10, perigynous or hypogynous, rarely fewer or indefinite; filaments free or variously connate; anthers 2-celled, generally longitudinally dehiscent; ovary free; style simple, cylindrical, usually declinate, stigma capitate, terminal or oblique; ovules one or more on the ventral suture. Fruit usually a dry, dehiscent legume, typically dehiscent by one or both sutures into two valves, or indehiscent, sometimes jointed and separating into 1-seeded joints. Seeds usually exalbuminous; cotyledons foliaceous or amygdaloid, with a straight or inflexed acumbent radicle.

Genera about 650, species over 18,000, cosmopolitan. About 60 genera and 170 species in Taiwan.

參考文獻

Amphicarpaea 野毛扁豆屬

作者

HUANG, TSENG-CHIEN and OHASHI, HIROYOSHI

型態特徵

Twining herbs; stems slender, pubescent. Leaves trifoliolate, with stipules and stipels. Flowers many, axillary, chasmogamous and cleistogamous, in cleistogamous flower without petals and the pods masturing under the ground; bracts veined as same as the stipules; calyx tubular; teeth distinct, unequal; corolla much exserted, standard and wings with a distinct spur on each side of the claws; stamens diadelphous; ovary many ovuled; style filiform, inflexed, glabrous. Pods linear oblong or broadly linear, flat, 2-valved.

參考文獻

標本列表

學名 中名 標本數