Shrub to 3 m high, multistemmed, ±semiprostrate, or rarely tree 3–6 m (N.T.), resinous. Bark stringy, brown or blackish grey. Branchlets terete, grey-brown to dark red-brown, ± glabrous or scurfy. Young shoots compressed or angular. Phyllodes erect or upcurved, oblique, narrowly lanceolate to lanceolate or narrowly elliptic to broadly elliptic, 5.6–14.5 cm long, 11–43 mm wide, obtuse, glabrous, with 1–3 prominent and 3 or 4 subprominent veins often confluent with lower margin near base; minor veins 8–10 per mm, longitudinal, non-anastomosing; marginal nerve slightly thickened, similar to main nerves; gland 1, small, basal. Spikes 0.7–2 (–3.4) cm long, golden. Flowers 5 (or 6)-merous; calyx 0.7–1.3 mm long, sinuate or dissected to 1/3–1/4, pubescent to subglabrous, with margins fimbriolate; corolla 1.2–2 mm long, dissected to ± 1/2, glabrous; ovary papillose. Pods in erect clusters, linear, ± straight-sided, subterete, mostly 1.7–6.2 cm long, 2.5–4 (–5) mm wide, thinly crustaceous, longitudinally furrowed. Seeds longitudinal, elliptic-oblong, 3.5–5 mm long, black.
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A medium sized shrub with a bushy growth habit. It grows 3-4 m tall and 1-3 m across. The young branches are silky hairy. They are reddish. The bark is rough, grey and fibrous. The leaves (phyllodes) are 3-13 cm long by 1.5-3 cm wide. They are oblong with a blunt tip and shiny green. They are straight and very thick and have veins which run along the length. The flower heads are like yellow rods and 2.5-3 cm long. They can occur either singly or in clusters. There are many flowers. The flower stalks are 0.3-0.5 cm long. The pods are 5 cm long and round in cross section and woody. They can be curved or straight. Pods are pale brown when ripe. The seeds are black and attached lengthwise along the pod.