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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

Codariocalyx 鐘萼豆屬

作者

HUANG, TSENG-CHIEN and OHASHI, HIROYOSHI

型態特徵

Erect shrubs. Leaves stipulate, petiolate, 3(–1)-foliolate; leaflets stipulate; terminal leaflets petiolulate, much larger than the lateral leaflets; lateral leaflets sessile or subsessile; stipules caducous. Panicle or pseudoraceme, terminal and axillary, cone-like on young parts; flowers pedicellate, 2–4-fascicled; bracts caducous; bracteole absent; calyx membranous, broadly campanulate, or slightly bilobed; corolla much longer than the calyx, incospicuously veined, the standard often oblique, nearly half-deltoid, rounded at the apex, broadest near the apex, shortly clawed, the keel drepaniform, distinctly longer than the wings; androecia diadelphous; anthers ellipsoidal, gynoecia linear, distinctly longer than stamens, the style much thickened above, stigma capitate; ovule 6–13. Legumes not jointed, sessile, not reticulate-veined on the side, segment-like portions quadrate to transversely oblong. Seeds obliquely transversely elliptic, conspicuously arillate and broadly strophiolate.

參考文獻

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