It has fissured, grey bark, woolly stems, hairy, serrated leaves and golden orange flower spikes.

Banksia audax is a shrub that typically grows to a height of 1 m (3 ft 3 in) and forms a lignotuber.

Banksia audax occurs from near the town of Southern Cross, south almost to the coast.

It occurs amongst heath and in mallee communities, growing in sandy yellow loam.

[2][3][4] This banksia is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.