Endemic to S.Aust. in Eyre Peninsula (northern part) and the Gairdner-Torrens regions, found on rocky hillsides and ridges, in tall open shrubland or low open woodland associated with Acacia aneura, A. cibaria and A. papyrocarpa. Soils; shallow compact loam, hard alkaline red duplex, brown calcareous earths. Rainfall 200-350 mm.