Acacia havilandiorum

Shrub 1.5–3 m high, occasionally a tree to 4 m; branchlets terete, more or less glabrous. Phyllodes terete or subterete, 3–8 cm long, 0.8–1.5 mm wide, straight or slightly curved, rigid, brittle, often incurved abruptly at gland, grey-green, glabrous, apex acuminate, somewhat pungent, the point often blackening and breaking off; veins numerous, closely parallel, slightly raised; gland in central part of phyllode. Peduncles 4–8 mm long, 1–3 per node, glabrous; heads globular, 4–9 mm diam., 20–30-flowered, pale to bright golden; bracteoles obovate, oblong or quadrate. Flowers mostly 4-merous; sepals irregularly united near base. Pods linear, sometimes constricted between seeds, to 10 cm long, 2–3 mm wide, thin-coriaceous, straight or shallowly curved, glabrous; seeds longitudinal, oblong to ovate-elliptic, 3–3.5 mm long, glossy, dark brown, aril subapical, hood-like. Flowers Sept.–Oct.