0.5-1.5 m tall, with rigid branches; young branches tomentose. Leaves often (especially when leaflets are narrow) soon with axillary brachyblast. Leaflets of long-shoot leaves flat, either narrow and linear or rather broad and oblanceolate, 5-15 x 0.5-7 mm, often slightly incurved, apiculate or acute, non-pungent. Inflorescence a terminal head of 8-25 flowers. Bracts broad, those of peripheral flowers as broad as long, the successive ones narrower, broadly orbicular to obdeltoid, 4-7 x 3-7 mm, fleshy, with a distinct acute-mucronulate point, glabrous except on the (tomentose) base. Pedicel up to 2 mm, tomentose. Bracteoles obtriangular or spathulate, 4-6 x 2.5-4 mm, apically emarginate but with a point, hairy on the base. Calyx tube tomentose; lobes ovate or lanceolate, 4-6.5 x 2-3 mm, acuminate, non-spiny, glabrous. Petals yellow. Standard blade 8-9 x 7-9 mm, obtuse, pubescent on most of the back. Wing blades, 6-7 x 2-3 mm. Keel blades lunate, 6-7 x 3-4 mm, obtuse, with almost straight upper margin, pubescent at least on two-thirds. Pistil pubescent on most parts of the ovary and style base; ovules 2. Pod obliquely lanceolate, ±11 x 4 mm, pubescent.
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Rigid shrub, 0.5-1.5 m. Leaves 3-foliolate, leaflets narrowly linear to broadly oblanceolate, flat, often incurved, not pungent. Flowers in terminal heads of 8-25, yellow, bracts very broad, wings glabrous, keel shortly hairy, calyx hairy below, lobes large, ovate to lanceolate, non-spiny, glabrous.
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