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Leguminosae

豆科

特徵描述
屬列表
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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

Macrotyloma 長硬皮豆屬

作者

HUANG, TSENG-CHIEN and OHASHI, HIROYOSHI

型態特徵

Climbing, prostrate or sometimes erect herbs. Leaves trifoliolate or sometimes unifoliolate; leaflets stipellate. Flowers usually in axillary fascicles; calyx 4-lobed, the upper two lobes connate; corolla yellow or whitish to greenish-yellow, much exserted, glabrous; standard rounded or elliptic, usually auriculate and provided with 2 long linear lamellate appendages; keel-petals not twisted; stamens diadelphous; anthers uniform; ovary 3–13-ovuled; style more or less filiform; stigma terminal, capitate, usually with a ring of hairs surrounding it. Pods straight or curved, compressed, not septate.

參考文獻

標本列表

學名 中名 標本數