Shrub or tree 0.5–15 m high, erect or spreading. Stipules triangular, less than 0.5 mm long or obscure. Phyllodes linear to narrowly elliptic, 12–25 cm long, 7–23 mm wide, coriaceous, dark green; margins uneven and edged with microscopic granular resin globules; apex obtuse; primary veins prominent, commonly 2–5; secondary veins parallel, sparingly anastomosing; gland c. 8 mm above base; pulvinus present. Inflorescences with peduncles 5–10 mm long; spikes 3–7 cm long; bracteoles ovate-navicular, c. 0.5 mm long, minutely fringed. Flowers 4-merous, loosely packed, creamy white to pale yellow; sepals united. Pods subcylindrical, linear, mostly straight, 5–15 cm long, 3.5–7 mm wide, crustaceous. Seeds narrowly elliptic, 4.5–6 mm long, shiny; funicle thin, folded c. 4–5 times; aril turbinate.