Shrub to 3 m tall, open, wispy, single-stemmed or sparingly branched at base. Branchlets straight to slightly flexuose, sericeous between resin-ribs at the sometimes subpendulous extremities. Phyllodes distant, sessile, ascending, incurved, quadrangular to subquadrangular, occasionally terete, (10–) 12–20 (–25) cm long, 0.7–1 mm wide, rather slender, yellow-green, glabrous (except at base or appressed-hairy between nerves; nerves 8, broad, flat-topped, each separated by a shallow dark-coloured furrow. Inflorescences simple, 1 or 2 per axil; heads ±sessile, subglobular to obloid, 6–12 mm long, 5–8 mm diam., golden; bracteoles acute. Flowers 4-merous; sepals ½–¾-united. Pods linear, to 12 cm long, 2.5–3 mm wide, firmly chartaceous, densely appressed-hairy; margins yellowish, glabrous. Seeds longitudinal, oblong-elliptic, 3 mm long, glossy, mottled grey-brown and brown; aril ±seed-length, drying yellowish.
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