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A subshrubby prostrate, decumbent, or rarely erect perennial herb, 0.2-1 m long or tall. Stems at first appressed-silky-pilose with upwardly directed hairs, later purplish-brown and glabrescent. Leaves 3-foliolate; leaflets 0.5-3.5 x 0.3-1.4 cm, obovate-elliptic or elliptic, rounded and usually slightly mucronulate at the apex, cuneate to rounded at the base, glabrous to slightly appressed pilose on upper surface, densely appressed pilose beneath; venation reticulate ± raised on both surfaces; petiole 3-15 mm long, hairy; rhachis 0-1.5 mm long; petiolules 1-2 mm long, hairy; stipules chestnut-brown, 5-10 mm long, lanceolate, hairy at the base and ciliate but otherwise glabrous, striate. Inflorescences terminal and often also axillary, 1.5-9 cm long, dense; peduncle 0-1.2 cm long, together with the inflorescence hairy like the stems; pedicels 3.5 mm long; primary bracts each subtending 2-5 pedicels, 3-5 x 1.5 mm, narrowly ovate, acuminate, striate, ciliate, comose at apex of inflorescence; secondary bracts 2.5 x 0.5 mm, lanceolate. Calyx with both white and ferruginous hairs; tube 1.5 mm long; lobes 2 mm long, lanceolate, the upper pair joined for about one-third of their length. Standard blue, purple, red or yellow, 5-6 x 4-5 mm, obovate, emarginate. Fruits 0.5-1.2 cm long, of 3-5 articles, each article c. 2.5 x 2 mm, oblong, one margin straight, the other curved, pubescent, reticulate, not strongly constricted, the necks 1.5 mm wide. Seeds yellow-brown or chestnut-brown, 1.8-2 x 1.2 x 0.6 mm, ellipsoid-reniform; hilum minute ± central.
Perennial, erect or straggling herb to woody subshrub, 0.6-0.9 m high; stems glabrescent below, white-pilose above. Leaves trifoliolate. Leaflets sensitive, obovate, apiculate, ± rounded at apex, cuneate at base, venation prominent on both sides; upper surface almost glabrous; lower surface long silky pilose. Inflorescences of dense terminal racemes, usually appearing spike-like or head-like. Flowers yellow, red, purple, mauve or blue; corolla slightly exceeding calyx. Calyx deeply 2-lipped, long silky pilose. Flowering time all year. Pod sessile to substipitate, 2-5 segments, softly pilose; upper suture straight, lower suture curved.
Leaves 3-foliolate; leaflets 0.5–3.5 × 0.3–1.4 cm, obovate-elliptic or elliptic, rounded and usually slightly mucronulate at the apex, cuneate to rounded at the base, glabrous to slightly appressed pilose on upper surface, densely appressed pilose beneath; venation reticulate ± raised on both surfaces; petiole 3–15 mm long, hairy; rhachis 0–1.5 mm long; petiolules 1–2 mm long, hairy; stipules chestnut-brown, 5–10 mm long, lanceolate, hairy at the base and ciliate but otherwise glabrous, striate.
Inflorescences terminal and often also axillary, 1.5–9 cm long, dense; peduncle 0–1.2 cm long, together with the inflorescence hairy like the stems; pedicels 3.5 mm long; primary bracts each subtending 2–5 pedicels, 3–5 × 1.5 mm, narrowly ovate, acuminate, striate, ciliate, comose at apex of inflorescence; secondary bracts 2.5 × 0.5 mm, lanceolate.
Fruits 0.5–1.2 cm long, of 3–5 articles, each article c. 2.5 × 2 mm, oblong, one margin straight, the other curved, pubescent, reticulate, not strongly constricted, the necks 1.5 mm wide.
Calyx with both white and ferruginous hairs; tube 1.5 mm long; lobes 2 mm long, lanceolate, the upper pair joined for about one-third of their length.
Stems at first appressed-silky-pilose with upwardly directed hairs, later purplish-brown and glabrescent.
Seeds yellow-brown or chestnut-brown, 1.8–2 × 1.2 × 0.6 mm, ellipsoid-reniform; hilum minute ± central.
A subshrubby prostrate, decumbent, or rarely erect perennial herb, 0.2–1 m long or tall.
Standard blue, purple, red or yellow, 5–6 × 4–5 mm, obovate, emarginate.
