Rounded shrubs to 2 m x 2 m, glabrous, older stems grey smooth branchlets mostly dark red-brown often slightly pruinose. <P>Stipules to 1.4 mm long, shed early. Phyllodes narrowly linear, 3-7 cm long, 1-4 mm wide, more or less thick, finely wrinkled when dry, flat, straight, ascending to erect glaucous to dark green, 1-veined midrib not prominent, pale when dry, lateral veins obscure, marginal veins narrow, often golden, apex rounded-obtuse with a small more or less central mucro, pulvinus yellow-brown. Glands 2-3, mostly one near the pulvinus, the second on margin above midpoint or absent, and the third often obscure, adjacent to the mucro. <P>Inflorescences 1-7 mm long with 2-3 heads; peduncles 2-6 mm long; flower-heads globular, mid-golden, 4-6 mm diam. (dry) to 8 mm (fresh), 16-22-flowered; flowers 5-merous. <P>Legumes sub-moniliform, to 7 cm long, 4-5 mm wide with up to 8 articles, breaking readily, smooth or finely striate, often dark-brown. Seeds longitudinal, oblong, 3-5 mm long, 2.5-3 mm wide, dull, light brown; funicle filiform, expanded into a thick orange to scarlet aril.