Widespread in the arid areas of South Australia from the North-Western and Nullarbor regions eastwards through the Lake Eyre, Gairdner-Torrens, Eyre Peninsula (northern part), Flinders Ranges and Eastern regions to Broken Hill. Mainly associated with woodland, tall and low shrubland. Soils; mainly calcareous but occurring on a wide variety of types. Rainfall 125-300 mm. Also W Aust. Qld, N.T. and N.S.W.