The shrub or tree can grow to a maximum height of around and has a spreading habit. The branchlets have bristly prickling
stipules with a length of in length. Like most species of
Acacia it has
phyllodes rather than true leaves. The evergreen phyllodes grow in bundles that are all crowded together and are whorled that have a linear or lanceolate shape with a length of and a width of . The phyllodes are
glabrous, pungent and rigid with one main visible vein. It blooms between July and December producing simple
inflorescences on glabrous stalks with a length of . The ovoid the spherical flower-spikes have a length of up to with densely pack light yellow coloured flowers. The compressed a linear
seed pods that form after flowering are barely constricted between each of the seeds. The pods are in length and have a width of and have quite thin valves. The elliptic shaped seeds are around in length and have a filamentous funicle that folds and thickens into a turbinate
aril. ==Taxonomy==