Shrub to 2 m high, erect or prostrate, resinous. Bark smooth, dark grey. Branchlets angular towards apices, with resin-crenulated ridges. Phyllodes narrowly oblanceolate to elliptic, straight or slightly curved, 3–8 cm long, 5–15 (–23) mm wide, (young phyllodes apically resinous), usually with 3 prominent longitudinal veins (1 vein often becoming confluent with ventral margin towards base), with 2–4 subprominent longitudinal veins; minor veins 2–4 per mm, sometimes anastomosing; gland 1, conspicuous, basal. Inflorescences simple, 1 or 2 (rarely 3) in axils of reduced phyllodes; peduncles 3–25 mm long; heads globular, 5–13 mm diam., 14–39-flowered, yellow or bright yellow. Flowers 5-merous; calyx 0.5–1.2 mm long, scarcely dissected, with few hairs on lobes; corolla 1.5–2.5 mm long, dissected to c. ⅓, glabrous, with prominent petal midrib; ovary pubescent. Pods erect, narrowly oblanceolate to ±linear, tapered basally, 3–7.5 cm long, 3–8 (–12) mm wide, ±brown, obliquely nerved; margins prominent. Seeds oblique, oblong-elliptic, 3–7 mm long, dark brown; funicle-aril turbinate.
Usually found on alluvial flats or rocky sandstone plateaux with extensive rock pavements, on laterite, in sand, sandy loams, kaolinitic soils or sandy silts, in heaths or eucalypt woodlands.
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