Shrub 0.6–4 m high, rounded. Branchlets glabrous or glabrescent. Phyllodes ascending to erect, narrowly elliptic, ±incurved, 4–7 cm long, 3–4.5 mm wide, acute, sharply to coarsely pungent, semi-rigid, at first ±appressed-puberulous on central nerve and marginal nerves (sometimes persistent on central nerve), with 3 distant raised nerves; central nerve more strongly raised and the marginal nerves thickened. Inflorescences simple, 2 per axil; peduncles 1–3 mm long, puberulous; spikes 15–25 mm long, 3–4.5 mm diam., subdensely flowered, cream. Flowers 4-merous; sepals free; petals partly united. Pods pendent, linear, strongly raised over and slightly constricted between seeds, curved, to 10.5 cm long, 4 mm wide, thin-coriaceous, glabrous. Seeds longitudinal, broadly elliptic, 3–4 mm long, subglossy, black; areole c. ⅓ seed length; funicle/aril apical.
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