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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

Caesalpinia 蘇木屬

作者

HUANG, TSENG-CHIEN and OHASHI, HIROYOSHI

型態特徵

Erect trees, shrubs or woody pricikly climbers. Leaves stipulate, pinnate, stipellate. Flowers showy, yellow, in copious axillary racemes; calyx deeply cleft, with the disc confined to its base, the lobes imbricated, the lowest the largest, cucullate; petals spreading, usually orbicular, with a distincty claw, the uppermost smaller than the others; stamens 10, free, declinate; anthers oblong, uniform, versatile; ovary sessile or subsessile, few-ovuled; style filiform, sometimes clubbed at the tip, the stigma terminal. Pods oblong or ligulate, thin and flat, or thicker and subturgid, indehiscent or deshiscent, smooth or spiny.

參考文獻

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學名 中名 標本數