The pungent, greyish green phyllodes are slightly inequilateral with a narrowly elliptic to straight or shallowly incurved shape.

The woody dark brown seed pods that follow have a twisted narrowly oblong shape.

[4] The species was first formally described by the botanist Augustin Pyramus de Candolle in 1825 as part of the work Leguminosae.

[5] The type specimen was collected in 1801 in Geographe Bay by Louis de Freycinet, a member of the Nicolas Baudin expedition.

[4][6] It is native to an area in the Great Southern, South West and Peel regions of Western Australia where it grows in gravelly clay or sandy lateritic soils.