Glossodia major

Glossodia major, commonly known as the Waxlip Orchid is a small terrestrial orchid, found in eastern Australia. This plant first appeared in scientific literature in 1810, in the Prodromus Florae Novae Hollandiae authored by the prolific Scottish botanist, Robert Brown.
Reaching 12–32 cm in height, Glossodia major consists of a single herbaceous stem and lanceolate leaf which measures 4 to 15 cm long. One or two flowers appear from August to October. Measuring up to 6 cm across, they are predominantly purple but occasionally white. The labellum is white at the base.