Plant: to 1 m tall with up to 40 fragrant flowers.

Flowers: column long and visible at opening of flower. Labellum tip black.

Flowering: December to January.

Habitat: forest and kanuka scrub. Wairarapa and Nelson.

Conservation: known from a few sites, threatened / nationally critical.

Notes: can be as tall but is less robust than its relation G. molloyi.

Key features: knobbly flower with a long column and black tipped labellum visible at the tube mouth.