Shrub to c. 2 (–4) m high. Branchlets sparsely to moderately puberulous to hirsutellous, rarely glabrous, slightly resinous. Phyllodes frequently subcrowded, sometimes a few subverticillate or subfasciculate, patent to erect, slender, shallowly incurved, sometimes straight, normally subterete but drying ±triquetrous in section or ±flat and with a discernible longitudinal groove on each face, (15–) 20–45 mm long, 0.5–1 mm wide, with lower edge or margin broader than upper, obliquely and eccentrically mucronulate or rostellate, glabrous; gland basal, minute, obscure or absent. Inflorescences simple, 1 per node; peduncles usually 3–6 mm long, glabrous to sparsely puberulous, ebracteate at base; heads globular, (15–) 20–30-flowered, golden, slightly resinous. Flowers 5‑merous; sepals c. ½–⅔-united. Pods linear, to 6.5 cm long, 3–4 mm wide (to 4.5 mm in New South Wales), firmly chartaceous, brown, glabrous, slightly resinous. Seeds longitudinal, oblong, 3.5–4 mm long; aril oblique.
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