Herbs, (1.5-)2-6 cm tall, acaulescent, from a multiheaded caudex, tuft-or cushion-forming, with dense silvery white trichomes. Caudex branches with persistent petioles. Stipules broadly ovate with a triangular free part, herbaceous, with appressed white trichomes, adnate to petiole, apex acute. Leaves (0.5-)1-3 cm; petiole and rachis with appressed, spreading, or ascending white trichomes; leaflets verticillate, in 6-12 whorls, 4-6 blades per whorl; leaflet blades narrowly ovate to lanceolate, 1-3.5 × 0.5-1.5 mm. Racemes 1-or 2(or 3)-flowered; peduncle obsolete or to as long as leaves, spreading silvery white villous and apically mixed with blackish trichomes; bracts lanceolate, 4-7 × 1-3 mm, whitish and blackish villous. Calyx cylindric, 10-15 × 2-4 mm, with whitish cottonlike trichomes and sometimes mixed with black trichomes; lobes linear-lanceolate, 4-5 × ca. 0.5 mm, apex obtuse. Corolla bluish purple; standard 1.4-2.2 cm, lamina ovate, apex emarginate; wings 1.4-1.7 cm, lamina apically truncate; keel (1.2-)1.4-1.6 cm, beak 0.5-1 mm. Legume sessile, ellipsoid, ovoid, or oblong-ovoid, 1.3-2 × 0.5-0.7 cm, slightly inflated, leathery to thinly leathery, ± 2-locular, appressed to spreading white and black villous, beak ca. 2 mm. Fl. Jun-Jul, fr. Jul-Aug.