Shrub or tree 1–15 m high. Branchlets commonly pruinose, glabrous. Phyllodes obovate to narrowly oblanceolate, sometimes narrowly elliptic, 5–17 cm long, 15–50 mm wide, narrowed and often recurved near base, obtuse, grey-green to glaucescent, glabrous, with prominent midrib situated towards the adaxial margin, penninerved; gland 0–12 mm above pulvinus. Inflorescences racemose, sometimes paniculate; raceme axes flexuose, 2–10 cm long, glabrous; peduncles 1.5–5 mm long, stout, normally glabrous; heads globular, 20–35-flowered, bright golden or lemon yellow; buds sometimes obloid. Flowers 5-merous; sepals united for up to ⅘ their length. Pods stipitate, slightly raised over seeds along midline, 4–15 cm long, 12–25 mm wide, chartaceous to thinly coriaceous, slightly pruinose, glabrous. Seeds oblique, 5–6 mm long, oblong-elliptic to ovate, dull to slightly shiny, black; funicle thickly filiform, dark red-brown to black (dry), arillate.
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