Glabrous shrub 1.5–3 m high. Branchlets slender. Stipules spinose, commonly absent or infrequent on mature plants, 3–4 mm long, slender. Phyllodes linear, 6–13 cm long, 2.5–6 (–11) mm wide, narrowed at base, not rigid, 1-veined, finely penniveined; gland not prominent, 0–2 mm above pulvinus. Inflorescences simple, mostly 2 per axil, initiated synchronously with phyllodes on new shoots; racemes rare; peduncles 8–15 mm long, slender, with caducous bract near or above middle; heads globular, densely 60–80-flowered, cream. Flowers 5-merous; sepals free, narrowly spathulate. Pods narrowly oblong, prominently rounded over seeds, to 7 cm long, 7–8 mm wide, chartaceous. Seeds variably aligned, commonly transverse, globose, c. 4 mm diam., dull, blackish, yellow around pleurogram; funicle short; aril depressed-clavate.
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