Leaves pinnate with 2–4 pairs of leaflets; petiole 0.8–2(3.2) cm long, petiole and rachis together 1.8–7.2 cm long; leaflets (1.5)2–3.8 × (0.5)0.8–1.2(1.4) cm, ± oblanceolate, cuneate at the base, obtuse to retuse at the apex; upper surface glabrous, lower surface appressed-pubescent; stipules 3–5 × 0.5–1 mm, linear, silky like the stem.
Calyx 6–8 mm long, covered with short, greyish, spreading hairs; teeth equalling to twice as long as the tube, the two upper connate for about ¾ their length.
Ovary densely pubescent, prolonged into a densely pubescent beak terminated by the glabrous and upwardly reflexed style, with pencillate tip.
Flowers in fairly dense terminal racemes up to 15 cm long in fruit; bracts 3–4 × c.0.5 mm long, linear; pedicels 2–3 mm long.
Perennial herb or sometimes a shrub 60–100 cm high, woody in the lower parts.
Upper stamen loosely attached to the staminal sheath at least along one side.
Petals (10)12–15 mm long, yellow or perhaps sometimes cream coloured.
Young stems densely appressed-pubescent with silvery silky hairs.
Pods 8–16 × 5–6 mm, shortly tomentose, brown or greyish.
Seeds 1 or 2.