Shrub or tree to 6 m high. Bark fissured, flaky-fibrous, grey or brown. Branchlets sharply angular, reddish, glabrous, sometimes slightly scurfy. Phyllodes very narrowly to narrowly elliptic, ± straight to falcate, 7–18 cm long, 7–35 mm wide, broader in juveniles, with 3 or more longitudinal veins more prominent (lower 2 confluent with each other near base); minor veins 3–5 (–6) per mm, anastomosing; gland 1, basal; pulvinus 2–4 (–5) mm long. Spikes 3–10 cm long. Flowers 5-merous, pale yellow or sometimes lemon-yellow; calyx 0.5–0.9 mm long, dissected to ¼–⅕ of length, glabrous; corolla 1.5–2 mm long, dissected to c. ⅔ of length, glabrous, papillous at apex; ovary tomentose. Pods linear, slightly constricted between seeds, mostly curved, openly coiled or twisted, 4–15 cm long, 2–4 mm wide, coriaceous, longitudinally striate. Seeds longitudinal, broadly elliptic, 2.5–3.5 mm long, black; areole open.
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A small tree. It grows 1-6 m tall. The bark can have small cracks. The small branches are angled. They are red-brown. The phyllodes are narrowly oval and can be curved. They are 7-18 cm long by 7-35 mm wide. There are 3 or more veins along them. There are usually 2 flowering shoots in the axils of leaves. The heads are 3-10 cm long and cylinder shaped. They are yellow. The pods are curved or twisted and raised over the seeds. They are 4-15 cm long and 2-4 mm wide.