Plant: inconspicuous colonies, to 15cm tall. Stems slender, reddish with a single long narrow leaf.

Flowers: up to 7.

Flowering: October to January.

Habitat: warm places in flat open areas of fine sands with very low fertility.

Conservation: vagrant, threatened. The single known population has persisted for over 100 years. Also recorded in the past at a few other northern sites but has not persistent there.

Notes: called the flying duck orchid.

Key features: very distinct flower shape.