Glabrous, resinous, viscid shrub to 2 m high (sometimes up to 4 m high reported in FloraBase). Bark light grey. Phyllodes ascending to erect, incurved, terete, infrequently subquadrangular, 2–9 cm long but commonly 3–5 cm long, 0.5–1 mm wide, obliquely truncate, excentrically mucronulate, dark green, obscurely 4-veined; gland 0–2 mm above pulvinus, oblong to elliptic and 0.5–1 mm long, with a smaller circular gland at base of mucro. Inflorescences simple and 1 per axil or 1-headed racemes with axes 2–4 mm long; peduncles 8–12 mm long; basal bract present (on racemes) or absent (on non-racemose inflorescences); heads globular, 25–35-flowered, golden. Flowers 5-merous; sepals ¼–½ united, sometimes splitting to base upon dissection. Pods linear, shallowly constricted between seeds, arcuate, biconvex, to 5 cm long, 2.5–3 mm wide, longitudinally reticulate. Seeds longitudinal, c. 4 mm long; aril conspicuous.
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