[1] Its flower is also similar to those of other hammer orchids in that the labellum resembles a flightless female thynnid wasp however it can be distinguished by having a spine on the column, a labellum with an erect tip on the end of the "tail", and a "body" that is spotted and densely covered with hair.

Two other collections were made in the Gnowangerup and Tunney districts and photographs were taken in the Porongurups and Stirling Range.

The first formal description was made by Stephen Hopper and Andrew Brown in 2007 using the Adelaide specimen as the type.

It presumably grows in sandy soil, as do all the other Drakaea, and from evidence in photographs, possibly near granite rocks.

[1][3] Drakaea andrewsiae is classified as "Priority One" by the Government of Western Australia Department of Parks and Wildlife.