Widely scattered in semi-arid and arid regions of S.Aust. Occurs in open woodland or tall shrubland to open scrub, often associated with <I>Acacia aneura</I>, <I>Casuarina cristata</I> and <I>Eucalyptus socialis</I>. Soils; mainly calcareous loamy or sandy earths. Rainfall 150-500 mm. Also W.Aust., N.T., Qld, N.S.W. and Vic.