Low, rigid, spreading, divaricately branched shrubs 0.75-2 m high; branchlets terete, whitish pubescent, tapering into hard sharp subulate points. Stipules readily caducous on older branchlets, triangular, small. 

<P>Phyllodes obovate, narrow-cuneate, 4-8 mm long, 2-4 mm broad, flat, rigid, ascending, hairy, upper margin humped and ending in a small main vein situated near lower margin, lateral veins few. 

<P>Inflorescences simple and axillary, solitary; flower-heads globular yellow, c. 30-flowered; peduncles usually longer than phyllodes; flowers 5-merous. 

<P>Legumes linear but usually spirally coiled, c. 3 mm broad, dark grey when mature. Seeds longitudinal in legume; funicle short, expanded into a thick aril.