Medium-sized tree 10-15 m tall with branches winged. Leaves bipinnate, the bases extending down the stem. Pinnae in 5-15 pairs, with a gland between each pair. Leaflets in 15-35 pairs, each linear, 5-15 mm long, 1 mm wide. Flower heads globular, bright yellow; winter to early spring. Fruit pods 4-10 cm long, 5-6 mm wide, slightly constricted between the seeds. Fast growing.

Qld, NSW,Vic, Tas.

Long, slender leaflets 5-15 mm long.

VIC: Bundoora (Park); Burwood (Wattle Park). A. muelleriana Maiden &Baker from Qld and NSWhas 1-3 primary divisions and widely spaced, narrowly linear leaflets to 2.5 cm long.

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.