Intricate shrub to 4 m high and the same across. Ultimate branchlets divaricate, short, straight, striate-ribbed, light green, glabrous, somewhat spinose. Phyllodes sparse, inconspicuous, frequently shed, patent to deflexed, linear, pentagonal-compressed to flat, 5–20 mm long, 1–1.5 mm wide, acute, ± pungent, light green, glabrous, 5-veined; midrib not prominent, central; adaxial margin 2-veined and somewhat thickened. Inflorescences 2–6-headed racemes which may resemble the branchlets and appear simple; raceme axes 6–10 (–20) mm long, glabrous; heads globular, c. 25-flowered, light golden to mid-golden; bracteoles absent. Flowers 5-merous; sepals free. Pods prominently rounded over seeds and moderately to deeply constricted between them, to 18 cm long, 6–12 mm wide, thinly crustaceous, yellow-brown, commonly lightly pruinose, glabrous. Seeds longitudinal, globose, 5–9 mm diam., dull, dark brown; aril small, terminal.
Grows in red sand or sandy loam, in open scrub, low woodland or on spinifex (Triodia spp., Plectracne spp.) plains, sometimes occurs around clay pans.
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