Acacia adunca A.Cunn. ex G.Don

Bushy shrub or tree to 6 m high. Branchlets slender, dark reddish, glabrous. Phyllodes narrowly linear, 7–14 cm long, 1–2.5 mm wide, uncinate to subuncinate, not rigid, commonly finely wrinkled when dry, glabrous; midrib subimpressed; lateral veins obscure or absent; gland 1 or occasionally 2, not overly prominent, slightly exserted, with lowermost 1–4.5 cm above pulvinus. Inflorescences 4–13-headed racemes; raceme axes 15–40 mm long, glabrous; heads showy, globular, subdensely 9–14-flowered, bright golden; bracteoles ± peltate, with laminae subcircular and golden-or white-fimbriolate; peduncles 3–6 mm long, glabrous. Flowers 5-merous; sepals united. Pods rounded on opposite sides over alternate seeds, to 13 (–18) cm long, 10–12 mm wide, thinly coriaceous, glabrous. Seeds longitudinal, oblong to elliptic, 5.5–6 mm long, somewhat shiny, blackish, arillate; funicle short.

Grows in elevated country, in woodland or forest, in sand or sandy loam over granite.