Spindly shrub or tree to 6 m high, with reddish branches. Bark smooth, greyish green or reddish green. Branchlets inconspicuously ridged or ±smooth, glabrous. Leaves coriaceous, greyish green; petiole above pulvinus usually 0.8–4 cm long, terete, glabrous, with a prominent linear or oblong gland ⅓–⅔ below basal pinnae, with sometimes an apical gland if there is only 1 pair of pinnae; rachis to 8 cm long, glabrous, eglandular or with a round, oblong or triangular jugary gland at base of uppermost and sometimes other pairs of pinnae; interjugary glands absent; pinnae 1–4 pairs, 3–9.5 cm long; pinnules 5–17 (–23) pairs, mostly narrowly oblong, sometimes ±oblanceolate, 6–20 mm long, 2–6 mm wide, glabrous, 3-veined, with apex broadly rounded or emarginate. Inflorescences in racemes or mostly false-panicles. Peduncles 3–10 mm long. Heads globular, 3.5–7 mm diam., 15–33-flowered, golden or yellow; calyx-lobes triangular to rounded-triangular. Pods ±straight-sided or irregularly and mostly only slightly constricted between seeds, 5.5–13.5 cm long, 9–13.5 mm wide, subcoriaceous, blue-black, brownish towards margins, glabrous, slightly pruinose.