Erect, spreading, much-branched, glabrous or minutely hairy shrubs 2-3 m high, sometimes developing a small tree-like form and attaining heights of 4-6 m; branchlets striate with yellow ribs; bark greyish-green. <P>Phyllodes linear, 3-13 cm long, 1-2.5 mm broad, straight or curved, ascending, terete or compressed, striate, rigid, tough, not snapping easily, young phyllodes pubescent, glabrous or slightly pubescent when mature, veins longitudinal, c. 15, yellowish, some appearing more prominent than others, apex ending in a short straight or curved innocuous point; glands basal. <P>Inflorescences simple and axillary, solitary or twin, sometimes in clusters up to 4 heads; flower-heads globular, mid-yellow, 20-30-flowered; peduncles hoary, 3-6 mm long; flowers 5-merous. <P>Legumes linear, 5-7 cm long, 2-3 mm broad, curved and loosely coiled, hoary, constricted between seeds. Seeds longitudinal in legume, ellipsoid; funicle filiform, with several folds below the seeds and thickened into a conical aril.