It is distinguished from the other subspecies by the colour of the lower surface of its leaf and by its later flowering period.

The labellum is prominently down-curved and has three lobes with scattered clusters of red and white hairs.

[1][3][4] The blunt-leaved bunny orchid was first formally described in 2006 by Stephen Hopper and Andrew Brown from a specimen collected near the Murchison River.

[5]: 466 The blunt-leaved bunny orchid grows in scrub and mallee-heath between Cataby and the Murchison River in the Geraldton Sandplains and Yalgoo biogeographic regions.

brevifolius is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife.