Shrub or tree 2–9 m high. Branchlets acutely angled at extremities, glabrous, often reddish. Phyllodes mostly shallowly to strongly falcate, occasionally a few substraight and ±dimidiate, broadest at or below middle, 9–15 cm long, 7–15 (–22) mm wide, glabrous, green or grey-green; with numerous, longitudinal, parallel veins rather crowded (4–6 per mm), 2 or 3 veins more pronounced than the rest and free (not running together or confluent with margin at base of phyllode), anastomoses very few or absent; pulvinus 3–5 mm long; gland basal, prominent with distinct swelling and an obvious orifice. Inflorescences simple; peduncles (7–) 10–15 (–20) mm long; spikes (3–) 4–7 (–8) cm long, bright golden, flowers subdense or infrequently distant. Flowers 5-merous; calyx gamosepalous, cupular 0.5–0.75 mm long, glabrous except for a few minute trichomes on margins of lobes; ovary white-hirsute. Pods (immature) linear, slightly but discernibly constricted between seeds, straight to shallowly curved, 3–4 mm wide, glabrous, resinous, dark brown; margins thick and yellow. Seeds longitudinal.
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