Scattered across S.Aust., from the W.Aust. border in the Nullarbor, Gairdner Torrens, Eyre Peninsula (northern part), Yorke Peninsula, Northern and Southern Lofty, Eastern and Murray regions. Mainly in open scrub or low woodland. Soils; mainly shallow calcareous or shallow compact loamy and brown calcareous earths. Rainfall 150-500 mm. Also W.Aust., N.T., N.S.W. and Vic.