Medium sized terrestrial. Pseudobulbs squat, conical, to 4 cm long. Leaves 4?6, linear, to 30 cm long, to 2 cm wide. Inflorescences to 45 cm tall. Flowers 5?8, to 2.5 cm wide, yellow; autumn to winter. Sepals and petals similar, elliptic. Labellum callus 3-ridged.

India, Burma and China.

Source: Jeanes, J. (2005). Orchidaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.