Glabrous, medium-sized shrubs or small trees about 4-8 m high; trunk short, 12-20 cm diameter; bark usually smooth but sometimes.scaly or roughened at the base, dark brown, northern occurrences usually have a smooth whitish-grey bark; branchlets smooth, terete or nearly so. Phyllodes broad-lanceolate, oblanceolate, 6-20 cm long 5-50 mm broad, broadest above the centre, curved or falcate, coriaceous, glabrous, mid-vein prominent, lateral veins numerous conspicuous andfine, margins prominent and vein-like, apex obtuse or acute; glands situated on the upper margin, one near the base sometimes a second gland above the middle, lnfiorescences axillary racemes usually shorter than phyllodes or paniculate towards the ends of branchlets; flower-heads large, globular, golden-yellow, fragrant, 50-80-flowered; peduncles short, stout glabrous. Legumes linear, 5-12 cm long, 5-7 mm broad, more or less straight, firmly chartaceous, flat but raised over the seeds, margins slightly constricted between seeds. Seeds longitudinal  in legume, ovoid-obloid; funicle short, thickened into a small aril.
(Source: Whibley & Symon 1992)