Widespread from near Adelaide through the Northern Lofty and Flinders Ranges regions in tall and low woodland on rocky hillsides, ridges and flats then extending to the Far North in the North-Western and Lake Eyre regions, associated with low shrubland and hummock grassland. There are a few isolated patches, one around Cook in the Nullarbor region and the other on the south coast near the Bluff at Victor Harbor. Soils; mainly brown calcareous earths, shallow calcareous loamy, crusty alkaline and neutral red duplex soils. Rainfall 125-500 ram. Also W. Aust., N.T., Qld, N.S.W. and Vic.