Robust epiphyte. Stem to 1 m long. Leaves strap-shaped, to 45 cm long, to 5 cm wide, leathery, tip notched. Inflorescences to 40 cm long. Flowers 7-10, to 5 cm wide, usually pale yellow with reddish-brown spots, labellum reddish-purple; winter. Sepals and petals obovate, clawed. Labellum midlobe fiddle-shaped, tip notched, 3 ridged at base.

Laos and Indonesia.

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.