Dwarf prostrate to decumbent shrub. Stems many, branching near the base, producing numerous trailing seasonal shoots up to 15 cm in length; appressed puberulent, purplish-brown. Leaves digitately trifoliolate, spreading, scarcely petiolate. Leaflets unequal; terminal leaflet 7-12 x 5-7 mm, obovate; laterals smaller, symmetrical; over-seasonal leaves larger than seasonal leaves; base cuneate, apex acuminate, mucro straight, 1 mm long; partly conduplicate, young leaves glabrous, sparsely hairy along margins, glabrescent, glands impressed, equal in number on both surfaces; petiole < 2 mm long; petiolules < 1 mm long. Stipules 3-3.5 mm long, persistent, glabrous, lanceolate. Inflorescences terminal on short seasonal shoots up to 15 cm long, spicate, congested, cylindrical; comprised of 8-11 triplets of shortly pedicellate flowers, these open simultaneously, each triplet subtended by a single 4-5 x 3 mm, acuminate, 10-12-veined bract; bracts become smaller towards the apex of the inflorescence. Flowers 7-10 mm long, pale mauve, veins on standard suffused purple-brown, bracts narrowly lanceolate, 3 mm long. Calyx 7-9 mm long, hirsute, shorter than the corolla, carinal lobe longest, 7-9 x 2.5-3 mm, laterals and vexillary lobes shorter, 5-6.5 mm long; carinal teeth ovate-lanceolate, others lanceolate, all acute, venation prominent, ridged; glandular, predominantly on the carinal teeth. Standard 8.5-9 x 5.5-6.5 mm, claw 2 mm long, elliptic, emarginate, scarcely auriculate. Wing petals 8.5-9 x 2 mm, claw 3 mm long, auriculate; sculpturing present, upper basal and upper central, comprised of 10-20 irregular and differently-sized transcostal lamellae. Keel petals shorter than wing petals, 7 x 2-2.5 mm, claw 4 mm long. Androecium 6-6.5 mm long, tenth stamen fused to the adaxially split sheath for % its length, fenestrate. Pistil6-6.5 mm long; ovary 2.5 mm long, sparsely glandular; gynophore 0.5 mm long; style glabrous, entasis well developed just before point of flexure; height of curvature 1.3-1.5 mm, upper part incurving, stigma minute, penicillate. Fruits and seeds unknown.
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