It has two broad leaves and a single green to dark purplish brown flower with shiny black, column-like calli on the labellum.

About half of the upper surface of the labellum is covered by a callus shiny black, column-like glands up to 2.5 mm (0.1 in) long.

[2][3][4] Chiloglottis jeanesii was first formally described in 1997 by David Jones from a specimen collected near Toorongo and the description was publish in Muelleria.

[1] The specific epithet (jeanesii) honours the botanist and orchid expert Jeffrey Jeanes.

[4] The mountain bird orchid grows in moist to wet forest in mountainous areas in the Sherbrooke Forest, Baw Baw National Park and Dandenong Ranges National Park.