Due to its suckering habit plants once established may persist for some time even when the original plant has died. It is not always possible to decide if these suckering remnants should be considered as naturalised. Better notes with collections are necessary. Questionable specimens have come from Eyre Peninsula, Yorke Peninsula, Southern Lofty, Murray, Kangaroo Island and South-Eastern regions. Soils; Calcareous sands, leached sands with a hardpan. Rainfall approx. 300-700 mm. Endemic to Western Australia, introduced into Qld, N.S.W. and Vic.