An erect, rather much branched shrub (or small tree) usually (0.5-)1-2 m tall. Young branches with short, white puberulous to velutinous pubescence. Leaves trifoliolate, those on the young branches not (yet) with short-shoot developed. Leaflets(on long-shoot leaves) flat, oblanceolate or linear, 6-20 x 1.5-5 mm, weak to slightly coriaceous, acute-acuminate, partly short-sericeous when young, glabrescent, rather smooth or in some forms distinctly veined. Inflorescence a terminal raceme with 4-10 flowers at different levels. Bract lanceolate or linear, 2-6 x 0.5-1 mm, weak, densely short-and white-pubescent. Pedicel 1-3 mm long, short-sericeous. Bracteoles linear-lanceolate, 1-4 x 0.2-0.5 mm, short-hairy. Calyx campanulate, densely white-puberulous; lobes triangular (or linear-triangular), 1.5-3.5(-4.5) mm long, acute, weak, puberulous. Petals bright or light yellow. Standard blade ovate, 9-9.5 x 6.5-10 mm, obtuse, densely short-sericeous on the back. Wing blades oblong, 5.5-8 x 2-3 mm, short-sericeous on the lower half or third of the outer side; with some rows of minute folds on the basal third. Keel blades lunate, 5-7.5 x 3-4.5 mm, with nearly straight upper margin, sericeous on at least the lower half. Pistil pubescent on ovary, style base and upper side of the basal two-thirds of the style; ovules 4 or 5. Pod broadly lanceolate, 9-11 x ±4 mm, smooth, sparsely sericeous, grey to black when dark, one-seeded.
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Shrub or small tree to 2 m. Leaves 3-foliolate, leaflets linear-oblanceolate, flat, weak, distinctly veined, subglabrous. Flowers in short, terminal racemes, bright or pale yellow, wings and keel silky, calyx shortly hairy, lobes triangular, weak.
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