Shrub 0.9–2.5 m tall, to 8 m wide, scurfy, papillose, resinous. Bark ±smooth or slightly rough, grey. Branchlets slightly angular or flattened towards apices, light to dark brown. Phyllodes narrowly elliptic to very narrowly elliptic-linear or narrowly oblanceolate, oblique, flat, 3.5–11 cm long, 7–20 mm wide, with resin-crenulated margins, coriaceous, rigid, with 3 longitudinal subprominent nerves indistinct towards apex (the lower nerve confluent with margin near base); minor nerves inconspicuous, possibly with obscure minor anastomoses confused by fine longitudinal wrinkling when dry; gland 1, basal, 0.5–1.6 mm above pulvinus. Spikes 2–4.5 cm long, golden. Flowers 5-merous; calyx 0.8–1.3 mm long, dissected to ½–⅘ of length, sometimes papillose; corolla 1.4–2 mm long, dissected to ¼–⅔ of length, glabrous; ovary ±villous. Pods erect, linear-oblanceolate, straight-sided, 7–11.5 cm long, 6–9.5 mm wide, woody, striate, glabrous, opening ±elastically from apex; margins prominent. Seeds oblique, oblong-elliptic, 6–8 mm long, black or dark brown; areole open, elongated, depressed; funicle-aril narrowly conical.
Grows in sandy, often alluvial soils or in rocky skeletal soils, on calcareous sandstone, dolomite or granite, on hillsides in Eucalyptus -Heteropogon woodland or on the plains in savannah grassland with spinifex.
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