The erect pungent shrub typically grows to a height of. It is able to spread by subterranean runners. The prominently ribbed branchlets have soft silky hairs that are usually sparsely distributed and mostly found on the ribs. The branchlets also have indurate to spinose stipules that are in length. Like most species of Acacia it has phyllodes rather than true leaves. The evergreen pungent and shinyglabrousphyllodes are inequilateral often with an obtriangular to obdeltate shape and with a length of and a width of and a prominent midrib near the abaxial margin. It produces yellow flowers from June to August.