Straggly open shrub or tree 2–4 m tall; branches pendulous. Branchlets flexuose, flat or angled at extremities, dark red-brown, glabrous. Phyllodes subdistant, patent, sometimes reflexed, narrowly oblanceolate, sometimes linear, normally shallowly incurved, 5–17.5 cm long, 6–15 mm wide, tapered at base, obtuse, coriaceous, glabrous; midrib and margins prominent; lateral nerves obscure; gland 1–10 mm above pulvinus; pulvinus 2–4 mm long. Inflorescences racemose, sometimes simple; raceme axes 2–8 cm long, normally flexuose; peduncles 1–2 cm long, somewhat stout, glabrous; heads globular, densely 43–72-flowered, golden; bracteoles golden-fimbriolate. Flowers 5-merous; sepals united to near their apices. Pods linear, to 17 cm long, 5–7 mm wide, coriaceous-crustaceous, glabrous. Seeds longitudinal, elliptic, 4.5–6 mm long, dull, black; funicle encircling seed usually in a double fold, dark red; aril clavate.