Herbs, 2-5 cm tall, acaulescent, arising from a multiheaded caudex, cushionlike or matlike, densely sericeous with long trichomes. Stipules with a narrowly ovate free part, 0.8-1.5 cm, membranous, adnate to petiole for most of length, margin ciliate. Leaves 2-5 cm, 7-11-foliolate; petiole and rachis with appressed trichomes; leaflet blades broadly elliptic-oblong, oblong, or oblong-linear, 3-7 × 1.5-3 mm, both surfaces with dense white trichomes. Racemes compact, 1-4-flowered; peduncle 2-5 cm, as long as leaves, with appressed trichomes; bracts lanceolate, 3-6 mm, with trichomes. Calyx cylindric, 1.3-1.5 cm, spreading white and black lanate; lobes lanceolate, shorter than tube. Corolla purple; standard 2-2.5 cm, lamina orbicular, apex emarginate; wings 1.8-2.1 cm; keel slightly shorter than wings, beak 1.5-2 mm. Legume sessile, subspherical-ovoid, 2-2.5 × 1-1.5 cm, vesicularly inflated, membranous, villous with spreading short trichomes, septum narrow. Fl. Jun-Jul, fr. Aug.
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