Shrub or tree 1–4 m high, bushy, often gnarled. Branchlets silvery sericeous. Phyllodes elliptic to narrowly elliptic or linear, straight to shallowly incurved, flat to compressed, rarely terete, 3–11 cm long, 1–20 mm wide, acute and commonly mucronate, innocuous or sometimes coarsely pungent, subrigid, usually silvery sericeous, with numerous distant or subdistant rather obscure nerves which sometimes (in subsp. cuthbertsonii) anastomose; glands 1–3, with lowermost 3–28 mm above pulvinus. Inflorescences simple, 2 per axil; peduncles 2–11 mm long, shortly sericeous; spikes 10–34 mm long, 3–4 mm diam., interrupted, golden; receptacles shortly sericeous with silver or light golden hairs. Flowers 5-merous; sepals c. ⅕ length of petals, united. Pods narrowly oblong to linear, straight-edged or shallowly constricted between seeds, mostly shallowly to markedly curved, commonly compressed, to 14 cm long, 11–22 mm wide, woody, glabrous, drying yellowish and with strong wrinkling. Seeds longitudinal, broadly elliptic to subcircular, 7.5–9 mm long, dull, brown; aril a small, terminal, scalloped pad.
Grows in stony sand along creeks and drainage lines, often on hillocks but also on plains, mostly with mulga and spinifex. The subspecies linearis is sometimes found in saline conditions.
Can be grown by seedlings. Seeds needs soaking.
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