It has a single large, smooth, flattened leaf and up to twenty five dull green, red and white flowers.

The labellum has three lobes, scattered clusters of red and white hairs and is prominently curved downwards.

magnus was first formally described in 2006 by Stephen Hopper and Andrew Brown from a specimen collected in the Warren National Park and the description was published in Nuytsia.

[2] The Easter bunny orchid grows in high rainfall forest and is locally common between Perth and Porongurup National Park in the Jarrah Forest, Swan Coastal Plain and Warren biogeographic regions.

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