Shrub to 2 m high, glabrous. Branchlets sometimes resinous. Phyllodes ascending, coarsely filiform, curved to shallowly sinuous, terete, 15–20 (–25) cm long, c. 1 mm diam., callose-acute, innocuous, not rigid; veins c. 8, distant, impressed, very obscure, sometimes resinous. Inflorescences simple, 2 per axil; peduncles 5–15 mm long; spikes 20–25 mm long, 6 mm diam., densely flowered. Flowers 5-merous; sepals united to near apex, with broadly triangular lobes; petals 1-veined. Pods linear, slightly raised over and ± constricted between seeds, to 11 cm long, 3 mm wide, crustaceous to thinly coriaceous, longitudinally striate, glabrous. Seeds (immature) longitudinal, narrowly oblong, 6–7 mm long, brown with yellowish peripheral band; aril turbinate, pale yellowish.
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