Tree to 20 m high, commonly with a weeping habit. Bark hard, fissured, dark grey. Branchlets glabrous. Phyllodes narrowly elliptic, straight to recurved, (3–) 4–6.5 (–9) cm long, 3–16 (–26) mm wide, obtuse or sometimes acute, glabrous, with 3–7 distant subprominent main veins per face with anastomosing minor veins present or absent in between; pulvinus often subcompressed and extending into blade inequilaterally. Inflorescences normally simple or in normally 1-headed rudimentary racemes with minute axes, 2–4 per axil; peduncles 5–15 mm long, glabrous; basal bract persistent; heads globular, 5–8 mm diam., 25–35-flowered, creamy white to pale yellow; bracteoles obtuse. Flowers 5-merous; sepals free. Pods linear, flat, breaking at constrictions into one-seeded segments, to 11 cm long, 6–9 (–12) mm wide, firmly chartaceous to coriaceous, glabrous, narrowly winged. Seeds longitudinal, broadly elliptic, 5–6 mm long, dull, brown, exarillate with filiform funicle.
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A tree. It grows 15 m tall. The leaves (phyllodes) are 7 cm long. The flowers are in yellow balls. The seed pods are papery and 11 cm long.
Can be grown by seedlings. Seeds needs soaking.