Bushy shrub to c. 3 m high, often suckering. Branchlets dark reddish, glabrous. Phyllodes on short stem-projections, narrowly elliptic to oblanceolate, straight to shallowly recurved, mostly 6–9 cm long and 8–21 mm wide, narrowed at base, acute to acuminate and subuncinate, infrequently obtuse, thin, glabrous, 1-veined per face, obscurely penniveined; gland normally 8–12 mm above pulvinus; pulvinus 2–6 mm long. Inflorescences mostly 5–11-headed racemes; raceme axes (1.5–) 2–4 (–5) cm long, glabrous; peduncles (3–) 4–5 mm long, 8–10 mm long when peduncles not in racemes (rare); heads globular, 25–40-flowered, pale yellow. Flowers 5-merous; sepals c. ⅚-united. Pods oblong to narrowly oblong, straight-edged to constricted between seeds, flat, to c. 9 cm long but often shorter, 8–17 mm wide, coriaceous to crustaceous, occasionally subwoody, glabrous. Seeds transverse, oblong-elliptic, 5–6 mm long, ±dull, black; funicle encircling seed in a double fold, light red-brown; aril clavate.
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