A low, spreading shrublet with straight, rigid branches ultimately becoming thorn-like. Young branches straight, pale yellowish, sometimes sulcate, often with long internodes, short-pubescent on the tips, glabrescent. Leaflets linear-subulate, 2-4(-7) mm long, 0.3-0.7 mm thick (broad), acute-acuminate, subterete or slightly flattened, straight or apically recurved, pale green, subglabrous or sparsely sericeous when young. Bract and bracteoles 1.4-2.7 x 0.15-0.4 mm. Calyx tube with sparse and rather long, sericeous pubescence; lobes 2.0-3.5 mm long, subglabrous on apical half at least. Standard blade 5.6-7.5 x 5.4-6.8 mm; wing blades 4.4-5.6 x 1.8-2.1 mm, and keel blades 5.5-6.9 x 3-3.5 mm. Pods not seen.
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