The shrub typically grows to a height of 4 m (13 ft) with glabrous slender branchlets that have a dark red colour.

The thin green straight to incurved phyllodes have a narrowly linear shape.

[1] The species was first formally described by the botanists Joseph Maiden and William Blakely in 1927 as published in the Journal and Proceedings of the Royal Society of New South Wales.

It was reclassified as Racosperma betchei in 1987 by Leslie Pedley then transferred back to the genus Acacia in 2001.

It is found in sandy granite based soils as a part of forest communities.