Recorded only in the Eastern and Murray regions on "Mutooroo", "Oakbank" and "Oakvale" stations near the N.S.W. border, in low woodland and tall shrubland, associated with <I>Casuarina cristata</I>, <I>Maireana</I> (Bluebush), Atriplex (Saltbush) and <I>Senna spp</I>. Intermediate forms between <I>A. loderi</I> and <I>A. papyrocarpa</I> with legumes rather narrow and constricted between the seeds (not markedly moniliform), have been recorded from Tarcoola, Kingoonya and the Copper Hills area east of Mount Willoughby. Soils; crusty alkaline and neutral red duplex. Rainfall 150-200 mm. Also western N.S.W.