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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

Dendrolobium 木山螞蝗屬

作者

HUANG, TSENG-CHIEN and OHASHI, HIROYOSHI

型態特徵

Shrubs or trees. Leaves 3(–1)-foliolate, stipulate, petiolate; terminal leaflets petiolate; lateral leaflets sessile but distinctly pulvinate; stipules free or connate; leaflets chartaceous or coriaceous, entire or undulate; terminal leaflets larger than the lateral one; lateral leaflets usually oblique at the base. Pseudoracemes or umbel axillary, short pedunculate; flowers pedicellate, bracteate; secondary bract absent; bracteoles present; calyx campanulate or tubular, deeply 4-lobed; corolla white or pale yellow; standard broadly obovate or nearly orbicular, distinctly clawed; androecia monadelphous; gynoecia sessile, long-styliferous with a capitate stigma; ovary (1-) 2–8-ovuled. Pods indehiscent, more or less moniliform but rarely reticulate-veined; seeds transversally oblong-elliptic or nearly quadrate, distinctly rim-arillate.

參考文獻

標本列表

學名 中名 標本數