Small to medium tree 10 m or so tall. Phyllodes thick, sickle-shaped, tapering to each end, 10-20 cm long, 2-3 cm wide, with prominent central vein and laterals. Gland near base and a second one often near the tip. A connecting vein gives a change in curvature on the lower face near the base. Flower heads pale yellow, shorter than phyllodes; year round but mostly spring to early summer. Fruit pods broad, long, flat, 10-15 cm long, 16-22 mm wide, straight (rarely slightly constricted).

A. macradenia Benth., Zig-zag Wattle, from Qld has phyllodes 15-30 cm long and branchlets with a characteristic zig-zag form.

Vic, NSW, Qld.

VIC: Colac and Hamilton (Bot. Gds).

Source: Spencer, R. (2002). Mimosaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 3. Flowering plants. Dicotyledons. Part 2. The identification of garden and cultivated plants. University of New South Wales Press.