The thick, flat and rigid grey to green phyllodes have a length of up to 15 cm (5.9 in) and a width of around 25 mm (1.0 in) with an oblong-lanceolate shape that is straight or curved.

[2] The species was first formally described by the botanist Ferdinand von Mueller in 1858 as part of the work Fragmenta Phytographiae Australiae.

It was reclassified by Leslie Pedley in 2003 as Racosperma notabile but transferred back to genus Acacia in 2014.

[1] The bulk of the population is found in South Australia where the shrub is considered to be quite common.

It is usually found growing in hard and shallow calcareous, alkaline, red or brown duplex soils as a part of low woodland or open scrubland communities.