Shrub 2–4 m high, erect or spreading, much-branched. Stipules persistent, small, less than 1.2 mm long. Phyllodes linear, flat, 1–5.5 (–7) cm long, 1–1.8 mm wide, with pungent-pointed apex, often thick, rigid; veins commonly 3 to each face, with one prominent or, if phyllodes acicular or angular, then with 4 prominent veins and sometimes faint veins between them; gland obscure or absent; pulvinus absent or very short. Inflorescences with peduncles 1.5–2 (–4) mm long; spikes reduced to solitary or rarely paired clusters of 2–6 flowers less than 6 mm long; bracteoles navicular, c. 1 mm long, c. 0.6 mm wide. Flowers 4-merous or rarely 3-merous; sepals united. Pods subcylindrical, slightly moniliform, 2–8 cm long, 2–3.5 mm wide. Seeds elliptic or cylindrical, 4–4.5 mm long; funicle folded once or twice; aril prominent.
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