Glabrous shrub or tree 1.5–4 (–6) m tall. Branches and branchlets pruinose. Stipules spinose, frequently absent on mature plants, 3–6 mm long, robust. Phyllodes somewhat asymmetric, ±ovate to elliptic or narrowly elliptic, (2–) 2.5–5.5 (–6.5) cm long, (0.7–) 1–2.5 (–3.3) cm wide, rounded-obtuse, retuse to subretuse, coriaceous, green, with prominent midrib, obscurely penninerved; basal gland 0–2 mm above pulvinus and 0.5–1 mm long, and an insignificant gland also near mucro. Inflorescences racemose in upper axils, infrequently simple; raceme axes (1–) 3–8 (–14) cm long; peduncles twinned, 8–15 mm long, robust, with a normally caducous bract near apex; heads globular, densely 60–90-flowered, cream to pale lemon yellow; bracteoles absent. Flowers 5-merous; sepals free, narrowly spathulate. Pods narrowly oblong, to 5 cm long, 8–12 mm wide, chartaceous, light (yellowish) brown. Seeds transverse, elliptic, c. 3 mm long; aril small.
Grows in sand or sandy clay in tall dense shrubland or, at Cape Cuvier, in alkaline sand in Triodia-shrub steppe.
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