Glabrous bushy shrub, usually 0.5–3 m high. New shoots often red. Branchlets angled, prominently ribbed, normally red. Stipules early caducous. Phyllodes erect, ±oblique, commonly narrowly elliptic to oblanceolate, sometimes linear to linear-elliptic, normally 2–13 cm long, usually 4–30 mm wide, acute or obtuse-mucronate, sometimes coarsely pungent, usually thick and coriaceous, smooth, green; midrib and marginal veins prominent; lateral veins absent or obscure; gland prominent, mostly 0.5–2 cm above pulvinus. Inflorescences 3–20-headed racemes; racemes axes 1–6 (–12) cm long; peduncles (2–) 3–12 mm long, stout; heads ± globular, 2–5-flowered, sometimes to 8-flowered, usually creamy yellow. Flowers 4-merous, large; sepals united into a truncate to sinuously lobed calyx; ovary tomentulose. Pods erect, linear, curved, to 9 cm long, 3–5 mm wide, crustaceous to subwoody; marginal vein thick, undulate. Seeds longitudinal, narrowly oblong, 3.5–4.5 mm long, shiny, brown or greyish brown; aril terminal.
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A shrub. It grows 3 m high. The young branches are smooth. The leaves (phyllodes) are fleshy and up to 6 cm long. The flowers are as 3-6 in a head. The fruit is a narrow curved pod. It can be 6 cm long. There is a thick nerve along the edge.
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