An erect, rigid, rod-like shrublet, not or very sparingly branched. Young branches with long, spreading pubescence. Leaflets subequal, 7-16 (often ±10) x 1.5-5 mm, pointed, 1-3-veined, marginally long-ciliate; young ones with sparse long hairs on the surface. Inflorescences unifloral, on lateral leafless short-shoots: these dispersed along (nearly) the whole of the stem. Bract subulate-oblong, shorter than 1 mm, puberulous, reddish. Pedicel ±3 mm long, puberulous. Bracteoles, on distal half of the pedicel, shorter than 1 mm. Calyx tube campanulate, sparsely puberulous; lobes only ±1 mm long, acute, greenish, puberulous. Standard broadly ovate, ±7 x 7 mm, obtuse, short-sericeous on the back. Wing blades very narrowly obovate, 7-7.2 x 3-3.5 mm, sericeous on lower and distal parts. Keel carnose, strongly rostrate, apically tapering, the blades ±7 mm long and ±2.5 mm broad at the base, without basal puckering, sericeous on the lower third. Anthers of very unequal size, the basifixed ones linear and long. Pistil pubescent on upper half of ovary and on upper side of style base; style long, curved. Pods not seen.
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Erect, rigid, rod-like shrublet, closely leafy. Leaves 3-foliolate, leaflets lanceolate, margins long ciliate, 1-3 veined. Flowers solitary, scattered along branches, yellow, wings hairy, keel beaked, hairy, calyx shortly hairy, lobes triangular.