Tall, bushy, glabrous, spreading shrubs, 1-4 m high; branchlets numerous, ascending, smooth, grey brown, slightly angular towards the apex; has a suckering habit if roots are disturbed. <P>Phyllodes narrow obovate, oblanceolate, 4-12 cm long, 3-12 mm broad, flat, thick, straight or slightly curved, mid-vein slightly eccentric, lateral veins obvious, oblique and reticulate, apex usually obtuse with a small reddish-brown gland, a second gland on the upper margin, usually just below the middle of the phyllodes. <P>Inflorescences axillary and glabrous, racemes sometimes almost as long as phyllodes, consisting of 6-12 rather densely placed heads; flower-heads yellow, globular, c. 25-flowered; peduncles short, spreading, stout, rather thick, glabrous; flowers 5-merous. <P>Legumes linear, 7-10 cm long, 4-7 mm broad, moniliform, curved, dark brown, apex usually acute; margins thickened, light brown. Seeds longitudinal in legume; funicle short, gradually thickening into a clavate aril.