Erect, dull, bluish-green, stiff, glabrous, sometimes spindly shrubs, 1-3 m high; branchlets acutely angled, triangular appearing flattened; bark smooth greenish. <P>Phyllodes narrow-oblong to linear, oblanceolate, 7-12 cm long, 4-8 mm broad, narrow-thick, straight or curved, 1-veined more or less central, apex usually ending in a small straight or curved mucro; glands basal.<P>Inflorescences axillary, glabrous racemes much shorter than phyllodes, enclosed in large scaly imbricate bracts when young; flower-heads scented, pale yellow, 6-1O-flowered; flowers 5-merous. <P>Legumes oblong, 2-4 cm long, 12-20 mm broad, flat, obtuse, coriaceous, purplish-brown, pruinose; margins thickened. Seeds transverse in legume; funicle short, with a few short folds thickened into a small fleshy aril.