Erect or ascending, sparingly branched, tail-or rod-like shrubs (0.2-)0.4-1(-2) m tall, most laterals developed as short-shoots. Young branches densely woolly-sericeous. Leaflets linear-subulate, 4-10(-12) mm long, Erect or ascending, sparingly branched, tail-or rod-like shrubs (0.2-)0.4-1(-2) m tall, most laterals developed as short-shoots. Young branches densely woolly-sericeous. Leaflets linear-subulate, 4-10(-12) mm long, straight, greyish green, acute, non-pungent, sparsely sericeous. Leaf bases tubercle-like but not produced into a spur or spine. Flowers solitary on each short-shoot, distributed (in a spike-like fashion) on branch ends below leafy branch ends. Bracts and bracteoles subulate-filiform, 3.5-6 mm long. Pedicel 3-5 mm long. Calyx sparsely sericeous or tomentose; lobes linear(-filiform), 4-7 mm long, weak. Petals light (lemon) yellow. Standard obovate, 7-10 x 8-11 mm, sericeous or partly woolly on the back, provided with disc-like, glabrous callus on the base of the front. Wing blades elliptic, 7-9 x 3.3-5.5 mm, glabrous or pubescent on apical parts. Keel pointed, 7.2-9 mm long, 3.2-4 mm broad, pointed. Pistil: ovary and style base pubescent; ovules 14-18; stigma elongate, forwardly directed. Pod linear, 16-40 x 2.2-4 mm long, sparsely hairy; seeds up to 10.
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Erect shrub or shrublet with tail-or rod-like branches, 0.2-2 m. Leaves 3-foliolate on tubercle-like bases, leaflets terete, needle-like, non-pungent, sparsely hairy. Flowers solitary, clustered in spike-like fashion at branch tips, pale yellow, wings glabrous, keel rostrate, glabrous, calyx thinly hairy, lobes linear, weak.
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