Leaves pinnate with (2)3(5) pairs of leaflets; petiole (0.4)1–1.6 cm long, petiole and rachis together (1.6)4–6(8) cm long, pubescent like the stem; leaflets (2.5)4–6(7.5) × (0.5)1–2.3 cm, obovate to oblanceolate, ± cuneate at the base, obtuse to rounded or sometimes emarginate at the apex, the veins prominent and rather conspicuous on both surfaces; upper surface glabrous or very sparsely hairy, lower surface conspicuously grey pubescent especially on the veins; stipules (4)7–16 × 0.8–2(2.3) mm, linear to linear-triangular.
Calyx 9–13 mm long, densely pubescent with appressed or ascending, light to dark brown hairs; lateral teeth shorter than to about equalling the tube, the lower tooth usually distinctly longer than the tube, the two upper teeth connate for ½–? their length to form a broad triangle.
Flowers in dense terminal and axillary racemes 2–10(15) cm long; terminal raceme usually exceeding the upper leaves; bracts 5–10 × 0.8–1.5 mm, usually persistent; pedicels 3–6 mm long; bracteoles present, linear, c.3 mm long.
Pods (known only immature) 50 × 6 mm, densely brown tomentose to subvillous, tending to have darker hairs along the sutures.
Perennial suffrutex with herbaceous, probably annual, erect stems 40–130 cm high, sparingly branched to more or less bushy.
Ovary pubescent; style glabrous, reflexed above pod, with pencillate tip.
Stems tomentose with brown or sometimes greyish, crisped, ± matted hairs.
Petals 16–21 mm long, orange.
Stamen tube joined above.
Seeds c.6.