Tree to 10 m high. Bark dark, furrowed. Branchlets glabrous, scurfy with white resin deposit. Phyllodes linear to very narrowly elliptic, straight to curved, (9–) 11–15 (–20) cm long, 4–8 (–12) mm wide, acute, occasionally slightly uncinate, coriaceous, grey-green, scurfy-resinous especially when young, glabrescent, with numerous closely parallel veins of which 1–3 slightly more prominent than the rest. Inflorescences mostly 3–6-headed racemes; raceme axes 2–5 (–7) mm long; peduncles 3-10 mm long, scurfy, glabrous or sparsely appressed-puberulous, resinous; heads globular, 4–6 mm long, 30–60-flowered. Flowers 5-merous; sepals ± free to ½-united. Pods very narrowly oblong to linear, flat, slightly raised over and irregularly ±constricted between seeds, straight to slightly curved, to 6.5 cm long, 4–8 mm wide, chartaceous, finely reticulate, glabrous. Seeds longitudinally oblique, broadly elliptic-oblong, c. 4 mm long, glossy, dark brown; aril small.