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FOC | Family List | FOC Vol. 10 | Fabaceae

3. Lysidice Hance, J. Bot. 5: 298. 1867.

仪花属 yi hua shu

Authors: Dezhao Chen, Prof. Dianxiang Zhang & Ding Hou

Shrubs or trees. Leaves abruptly pinnate; leaflets 3-5 pairs, opposite, base slightly oblique, asymmetric on two sides; petiolules short; stipules caducous or late deciduous, small, subulate or narrowly triangular. Panicles terminal. Flowers showy, purplish red or pink, with large, red or white bracts at base; bracteoles small, in pairs inserted at apex or near apex on pedicels. Calyx tubular, 4-lobed; lobes imbricate, reflexed after anthesis. Petals 5: 3 at back large, obovate, long clawed; 2 in front small, reduced, scalelike or subulate. Perfect stamens 2, free or slightly connate at base; filaments elongated, reflexed in bud; anthers elliptic, opening length­wise; staminodes 3-8, unequal in length, subulate, without anthers or with 1-3 orbicular, small, abortive anthers. Ovary compressed, oblong, stalked, stalk adnate to calyx tube, 6-14-ovuled; style filiform, long; stigma capitate, small. Legume compressed, oblong or obovoid-oblong, thickly leathery or woody, with stipe, 2-valved, valves flat or slightly curling or spirally twisted. Seeds shiny, compressed, oblong, obliquely broadly elliptic to suborbicular, margin not thickened or conspicuously thickened into a narrowly edged ring; cotyledons flat; embryo small.

About two species: S and SW China, Vietnam; two species (one endemic) in China.

1 Bracts and bracteoles pink; calyx tube 1.2-1.5 cm, longer than lobes; seeds marginally not thickened, testa thin, inside without gelatin; shrubs or small trees.   1 L. rhodostegia
+ Bracts and bracteoles white; calyx tube 3-9 mm, shorter than lobes; seeds marginally conspicuously thickened into a narrowly edged ring, testa thicker, inside with a layer of spongy gelatin; trees.   2 L. brevicalyx

Lower Taxa


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