Tall, viscid shrubs or small trees 2-6 m high, with short thin trunks and long ascending branches; branchlets angular, with somewhat resinous ridges or the entire branch covered with a blackish sooty substance. Phyllodes lanceolate or linear-lanceolate, 4-10 cm long, 4-10 mm broad, flat punctate, quite viscid and sticky when young becoming less viscid when mature, central vein prominent sometimes with 2 additional fainter intermarginal veins into which finer lateral veins ran, apex acute, with a short straight or recurved point; glands small 1--4 scattered at various intervals along the upper margin, lnflorescences axillary, mostly twin, sometimes on a very short common peduncle; flower-heads globular bright yellow 30-40-flowered; peduncles glabrous viscid 10-15 mm long; flowers 5-merous. Legumes linear straight or curved 6-10 cm long, 5-6 mm broad, light brown, raised, over the seeds; margins not constricted. Seeds longitudinal in legume obloid-ovoid, dark brown shiny; funicle short, folded under the cup-shaped aril.
(Source: Whibley & Symon 1992)