Bushy shrub to 4 m tall, often suckering. Phyllodes narrowly linear, 3-6 cm long, 1.5-2 mm wide, green to grey-green, the pointed tip asymmetrical, veins indistinct, gland indistinct. Flower heads globular, each of 5-10 relatively dispersed, 5-parted flowers, golden; spring. Fruit pods linear, to 9 cm long, 4-6 mm wide, firmly papery.
A. 'Olympic Gold' is a cultivar introduced for 2000. PVJ 9(3)66.
A. linifolia (Vent.) Willd., Flax Wattle, from NSW is very similar but has phyllodes 2-4 cm long, thin and flexible, acute and green; A. subulata Bonpl. from NSW is an erect plant with bright green phyllodes 7-15 cm long, and flowering year round, the flower heads with 15-28 flowers.
Leaves slate-grey, leaving the stem at various angles; flowers fewer than 10 per head.
Source: (2002). Mimosaceae. In: . 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.