Shrub or ±gnarled tree, to 3 (–5) m tall. Branchlets terete, densely puberulous, resinous, scarred by raised stem-projections where phyllodes have fallen. Phyllodes ascending to erect, straight to shallowly incurved, terete, 6–14.5 cm long, 1.5–2.5 mm diam., abruptly subulate-pungent, rigid, sparingly appressed-puberulous, glabrescent, with 4–8 distant rather obscure main nerves; glands 2, minute. Inflorescences simple, 2 or more per axil; peduncles 5–15 mm long, appressed-puberulous; heads globular, 4–5 mm diam., 30–56-flowered, golden; bracteoles spathulate. Flowers 5-merous; sepals ⅔–¾-united. Pods moniliform to linear, curved, twisted after dehiscence, to 14 cm long, 6–10 mm wide, coriaceous, glabrous. Seeds longitudinal, elliptic to oblong-elliptic, 6.5–9 mm long, dull, brown; aril clavate to subhemispheric.
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