Herbs, (4-)5-15 cm tall, acaulescent, from a multiheaded caudex. Branches conspicuously white villous-pilose, with persistent stipules at base. Stipules narrowly triangular, ca. 5 × 1.5 mm, membranous, densely yellowish villous or with spreading to ascending whitish trichomes and with glands, basally connate. Leaves (2-)4-6(-7) cm; leaflets verticillate, in (10-)13-27 whorls; leaflet blades lanceolate-ovate to narrowly elliptic, 2-3 × 0.5-1 mm. Racemes compact to rather lax, becoming 2-5 cm, 3-6-flowered; peduncle 2-5(-7) cm, shorter to longer than leaves, densely villous and with glands; bracts triangular, 7-8 × 2-3 mm, villous and with glands. Calyx cylindric, 9-10 × ca. 3 mm, whitish and blackish villous and with glands; lobes subulate, 2-2.7 × ca. 0.5 mm. Corolla purple, pink, bluish purple, light bluish violet, violet, yellow, or white; standard 1.9-2 cm, lamina elliptic, apex rounded; wings 1.5-1.7 cm, lamina obovate, apex retuse; keel 1.3-1.5 cm, beak 1-1.6(-2) mm. Legume sessile or subsessile; body falcate-oblong in profile, (1.2-)1.7-3 × 0.5-0.7 cm, erect-ascending, abaxially deeply sulcate, whitish and blackish villous or glabrous and tubercular-glandular. Fl. May-Sep, fr. Jul-Sep. 2n = 16, 16 + 2B.
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