Shrub or tree to 4 m high. Branchlets somewhat flexuose, glabrous. Phyllodes falcately recurved, with pulvinus 9–12 mm long, (7–) 10–13 (–20) cm long and (10–) 15–22 mm wide, broadest near or above middle, much-narrowed at base, thinly coriaceous, glabrous, 1-veined per face; lateral veins absent or few and obscure; gland not prominent, normally 0–8 mm above pulvinus. Inflorescences numerous-headed racemes, sometimes in terminal panicles; raceme axes mostly 3–7 cm long, glabrous; peduncles 3–5 (–7) mm long, glabrous; heads globular, densely (24–) 26–28 (–31)-flowered, bright yellow; bracteole laminae conspicuous in buds, c. 1 mm diam., brown, densely golden-fimbriolate. Flowers 5-merous; sepals c. ¾–⅚-united. Pods linear, raised over seeds, to 12.5 cm long, 5–6 mm wide, firmly chartaceous to thinly coriaceous, glabrous. Seeds longitudinal, oblong, c. 5 mm long; funicle encircling seed in a single fold, dark red-brown; aril clavate.
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A medium sized shrub. It grows 4 m tall. The branches are slender and round in cross section except near the tip. The leaves (phyllodes) are smooth. They are 15 cm by 2.5 cm. The are broadest above the middle. They a re curved and with a prominent midrib. There is a prominent gland on the upper surface near the base. The flower heads are bright yellow. They are a cluster of about 20 round heads. The pods are 12.5 cm by 0.5 cm. They are straight and raised over the seeds. They are smooth and dark brown.