Shrubs, to 1 m tall. Stems dark brown when dry, terete; young branches with appressed medifixed symmetrically 2-branched trichomes, glabrescent. Stipules rigid, ca. 1 mm. Leaves 1.5-2.5 cm, 5-13-foliolate; petiole and rachis adaxially grooved, with appressed white and brown medifixed trichomes; petiole 4-10 mm; stipels minute, hairy; petiolules ca. 1 mm; leaflet blades opposite, oblong to obovate-oblong, 3-10(-15) × 2-5 mm, both surfaces with appressed medifixed trichomes, midvein adaxially impressed, secondary veins not visible, base broadly cuneate, apex rounded and mucronate. Racemes 3-6(-8) cm, densely flowered; peduncle 1-5(-10) mm or nearly absent, hairy, reflexed in fruit; bracts ovate, ca. 2 mm, caducous. Pedicel 1-2 mm, with appressed medifixed trichomes. Calyx with appressed medifixed trichomes; tube ca. 1.5 mm; teeth triangular, ca. 1.5 mm. Corolla pink to rose; standard elliptic, 8-10 × 4.5-7.5 mm, outside hairy; wings 8-10 × ca. 2 mm; keel 7.5-10 × 2.5-3 mm. Stamens 7-9 mm; anthers ovoid, glabrous. Ovary hairy, with 8-10 ovules. Legume cylindric, ca. 2 cm, hairy. Fl. Apr-Jul, fr. Jul-Sep.