Shrub or small tree to 8 m high, commonly smaller. Branchlets glabrous. Phyllodes variable, oblanceolate to narrowly elliptic, normally ± straight, 5–16 cm long, (0.5–) 1–4 cm wide, narrowed at base, green, infrequently glaucous, glabrous, with prominent midrib and marginal veins, finely penniveined; gland 5–30 mm above pulvinus; margin often shallowly indented at gland which is connected to midrib by a fine oblique vein. Inflorescences racemose, sometimes in panicles; raceme axes 3–12 cm long, glabrous or (var. longiracemosa) appressed-puberulous; peduncles 4–8 mm long, with indumentum as on raceme axes; heads globular, 15–30-flowered, cream to ±white. Flowers 5-merous; sepals united almost to their apices. Pods to 20 cm long, 10–17 mm wide, thinly coriaceous to firmly chartaceous, obscurely transversely reticulate, glabrous. Seeds longitudinal, oblong to elliptic, 6–7 mm long, slightly shiny, black; funicle dark red; aril clavate.
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An evergreen tree. It grows 5 m high and spreads 3 m wide. The stem is sturdy and erect. The branches are angular. The leaves (phyllodes) are broad and narrow to both ends. They have a single vein. The flowers are pale yellow balls. They are in short clusters at the ends of branches. The pods are brown.