Prostrate herb arising from a woody rootstock. Stems: pubescent-glabrescent. Leaves: pinnately trifoliolate, leaflets lanceolate-elliptic, slightly asymmetrical, mucronate, 26-100 x (3)9-30 mm, pubescent to glabrescent above and beneath, mucronate; stipules small, lanceolate, 2-6(7) x 0.5-1.0 mm, striated; petiole (5)10-25(34) mm long. Inflorescences: (1)2-4-flowered axillary racemes, (30)45-125 mm long, pubescent-glabrescent, rarely occurring in pairs. Flowers: 6-10 mm long, yellow with red veins, 6-10 mm long; bracts lanceolate, ca. 3 x 0.5 mm, bracteoles absent. Calyx: bilabiate, usually half the length of the corolla, lobes of upper lip connate almost to half the length of the lobes, those of the lower lip approximately equal, oblong-acuminate, carinal lobe longer than lateral lobes, tube 13.5-36.0 mm long, upper lobes 2-3 mm long, lower lobe 3-6 mm long, lateral lobes 2-3 mm long. Corolla: persistent, standard yellow, ovate-oblong, reflexed backwards, 7-9 x 4-5 mm, slightly emarginate, glabrous, with no callosities on the claws; wings oblong-obovate, narrower and approximately as long as keel, 7-8 x 2-3 mm, spurred at base, without sculpturing; keel somewhat rostrate, 7-8 x 2-3 mm, pocketed. Androecium: diadelphous with nine filaments fused, vexillary stamen free to the base; anthers monomorphic, dorsifixed. Ovary: narrowly oblong-elliptic, subsessile, pubescent, 2-ovuled; style strongly curved upwards, glabrous. Fruit: narrowly oblong-elliptic, laterally compressed, 14-23 x 4-6 mm, pubescent, glandular, (1)2-seeded. Seeds: smooth, ca. 1.5 x0.5 mm, uniformly brown.
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