Endemic to S.Aust., restricted to a small area in the Flinders Ranges region (northern part) from Nudlamutana Well near Balcanoona along the ranges to Arkaroola. Found on hillsides and ridges associated with <I>Eucalyptus gillii</I> and <I>Triodia irritans</I> in a dry open woodland. Just north of Nudlamutana Well a few dense stands of almost pure <I>Acacia araneosa</I> can be found with <I>Triodia irritans</I> as a ground cover. Soils; crusty alkaline neutral red duplex. Rainfall ca. 200 mm.