Glabrous shrub to 1.5 m high, subpruinose on young phyllodes, branchlets and inflorescence axes. Branchlets prominently flattened or angular towards tips. Phyllodes dimidiately narrowly elliptic, shallowly recurved, 11–24.5 cm long, 4.8–8.8 cm wide, thinly coriaceous, grey-green, with 3 or 4, rarely 6, primary longitudinal veins ± running together at base but remaining free from lower margin, with secondary veins forming an open reticulum; glands 3 or 4, with lowermost at distal end of pulvinus; pulvinus 4–7 mm long. Inflorescences racemose, sometimes terminally paniculate; raceme axes 5.5–15 cm long, rather stout, straight, 6–12-headed; peduncles 9–26 mm long; heads globular, 7–11 mm diam., densely c. 80-flowered, creamy white to pale yellow; bracteoles peltate. Flowers 5-merous; sepals united. Pods flat, 5.5–11 cm long, 2–3 cm wide, coriaceous to subwoody, transversely reticulate. Seeds transverse, elliptic, flattened, 8–10 mm long, brown; aril terminal.
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