Shrubs, small, thorny. Branches brownish to brownish olive. Stipules spinelike, 1.5-5 mm, ± deflexed hooklike. Leaves pinnate, 8-12(or 14)-foliolate; petiole and rachis caducous; leaflet blades obovate to rarely almost elliptic, 5-17 × 3.5-7 mm, grayish when dry, both surfaces adpressed pubescent, apex emarginate. Flowers 1 or 2 in a fascicle. Pedicel 7-12 mm. Calyx usually broadly campanulate to rarely tubular-campanulate, ± pubescent or rarely glabrous. Corolla 2-2.3 cm; standard ovate, gradually or sharply narrowed into a relatively wide to narrow claw; wings with claw shorter than limb; keel with a claw as long as limb. Ovary glabrous or sparsely appressed pubescent. Legume cylindric, 4-6 cm × ca. 5 mm, usually obliquely erect. Fl. Apr-May, fr. Jun-Jul.