Acacia estrophiolata, commonly known as ironwood or southern ironwood, is a tree native to Central Australia. It is a graceful, pendulous shade tree, which grows from about 4-16 m tall and has a trunk with a diameter of up to about 0.45 m. Young plants are spiky leaved. It has pale yellow flowers after winter rains. It is usually found in areas with about 220-350 mm/year of average rainfall.