The evergreen, flat, straight phyllodes are glabrescent with a length of 3 to 9.5 cm (1.2 to 3.7 in) and a width of 3 to 12 mm (0.12 to 0.47 in) and are finely striated longitudinally with a more prominent midnerve.
[2] When it blooms it produces simple inflorescences that occur singly or in pairs in the axils with cylindrical flower-spikes that are 10 to 30 mm (0.39 to 1.18 in) in length.
The pods are quite straight with a length of up to 8 cm (3.1 in) and a width of 4 to 6 mm (0.16 to 0.24 in) that are glabrous and longitudinally wrinkled.
It was reclassified as Racosperma catenulatum by Leslie Pedley in 1987 and transferred back to genus Acacia in 2001.
[3] There are two recognized subspecies It is native to an area of the Pilbara region of Western Australia centred around Newman where it is commonly found on scarps composed of weathered sediments growing in shallow soils.