Bushy rounded shrub 0.3-2 m high. Branchlets glabrous, scarred by raised stem-projections where phyllodes have fallen. Phyllodes congested, ascending to erect, becoming patent, very slender, straight, terete, 1.5-4.5 cm long, 0.7-1 mm diam., ±abruptly and obliquely narrowed to a short but distinct excentric mucro, glabrous, seemingly 4-or 8-nerved but nerves very indistinct or more commonly not visible; pulvinus slender, terete, 1.5-2 mm long, orange. Inflorescences simple, 2 per axil; peduncles filiform, 5-13 mm long, glabrous; heads globular, 3-3.5 mm diam., 10-15-flowered, bright light golden. Flowers predominantly 5-merous; sepals free. Pods linear, slightly raised over seeds on alternating sides, not constricted between seeds, straight or slightly curved, 3-4 cm long, 2-3 mm wide, thinly coriaceous, reddish brown, glabrous; margins thickened, yellow. Seeds (slightly immature) longitudinal, oblong to obovate, c. 2 mm long, slightly shiny, dark brown; aril subterminal.
Grows in brown to pale yellow-brown clay or clay loam derived from serpentine, sometimes rocky, on river banks and beneath mallee eucalypts, often forming dense stands.
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