Shrub or tree 2.5-10 m high, most parts usually densely minutely stellate-velvety. Phyllodes inequilaterally ovate or elliptic, falcate, 8-15 cm long, usually 2-6 cm wide, obtuse, ±thinly coriaceous, with usually 3 or 4 distant main nerves (some confluent with lower margin near base), reticulate; gland basal, with 1-3 additional glands often in shallow notches along upper margin. Inflorescences in axillary racemes or terminal panicles; axes 3.5-6 cm long, stellate-velvety; peduncles 10 mm long, in fascicles of 2-4; heads globular, ±5 mm diam., c. 30-flowered, white; bracteole apex densely yellow-puberulous. Flowers 5-merous; sepals united to near densely puberulous apex, with brown medial stripe, interconnected by translucent tissue. Pods flat, to 14.5 cm long, 2.2-3.5 cm wide, woody, coarsely reticulate-nerved, glabrous, narrowly winged. Seeds transverse, oblong, 9.5-10 mm long, dull, brown except periphery black; aril large.