[6][7] It is native to the Northern Territory where it is common in the Top End.

The base of the phyllode narrows gradually but the apex is acute.

[1] It flowers from April to July and fruits from August to January.

[1] It is found in the following bioregions of the Northern Territory: Arnhem Coast, Arnhem Plateau, Central Arnhem, Daly Basin, Darwin Coastal, Gulf Fall and Uplands, Pine Creek, Sturt Plateau, Tiwi Cobourg, and Victoria Bonaparte.

[1] It was first described by George Bentham in 1842, from a specimen collected by Allan Cunningham on May-Day Island in van Diemen's Gulf,[2][3] in 1818 on the first voyage of the Mermaid (Isolectotype BM000796904).