Compact multistemmed shrub to 0.3 (–6) m tall. Branchlets ±straight and erect, rigid, spinose, often pruinose, normally glabrous. Phyllodes variable, asymmetrically obtriangular to cuneate or very narrowly oblong-elliptic, with a prominent or inconspicuous gland-angle near or above middle of adaxial margin, 1–4.5 cm long, 2–10 mm wide, pungent, glaucous, normally glabrous; midrib near abaxial margin; lateral nerves obscure. Inflorescences 1 headed rudimentary racemes with axes to 1 mm long; peduncles normally 5–10 mm long, glabrous; basal bracts conspicuous, brown, somewhat persistent; heads globular to shortly obloid, 12–21-flowered, light golden to mid-golden; bracteoles caducous, conspicuous in buds. Flowers 5-merous; sepals irregularly united. Pods prominently rounded over seeds, undulate, to 7.5 cm long, 4–5 mm wide, thinly coriaceous-crustaceous, glabrous. Seeds longitudinally oblique, widely ovate-elliptic, obliquely truncate adjacent to aril, c. 3 mm long, shiny, mottled black and brown; aril conspicuous.
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