Tree 4–10 m high. Branchlets acutely angled and somewhat slender at extremities, soon terete, glabrous, reddish, resinous when young. Phyllodes mostly shallowly falcate, tapering equally at both ends, acute, 8.5–13 cm long, 8–15 (–20) mm wide, glabrous; longitudinal veins parallel and crowded (3 or 4 per mm), 2 or 3 main veins more pronounced than the rest and running together near base and sometimes contiguous with lower margin, anastomoses few but consistently present; pulvinus (2–) 3–5 mm long, yellow or more commonly brownish when dry; gland 0–1 mm above pulvinus, prominent, a distinct swelling of margin with a marked orifice. Inflorescences simple; peduncles 5–10 (–15) mm long, glabrous. Spikes 4–7 cm long, golden, the flowers distant or subdistant. Flowers 5-merous; calyx gamosepalous, cupular, glabrous or with a few hairs near the base. Pods (few seen and rather depauperate) linear, prominently raised over seeds and slightly constricted between them, longitudinally wrinkled on the convexity, to c. 4.5 cm long, 2.3–3 mm wide, straight, dark brown, pruinose, glabrous, marginal vein yellow. Seeds longitudinal, light brown, c. 3.5 mm long; pleurogram rectangular; aril yellow.
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