Robust terrestrial. Pseudobulbs ovoid, to 12 cm long, grooved. Leaves 3?5, lanceolate, to 60 cm long, to 20 cm wide, deciduous, appearing after flowers. Inflorescences erect or arching, to 70 cm tall. Flowers 6-12, to 6 cm wide, white to pink; winter. Sepals and petals similar, lanceolate to elliptic. Labellum 3-lobed, midlobe distinctly 2-lobed, throat yellow or pinkish.

Burma, Thailand, Vietnam, Malaysia, Indonesia and New Guinea.

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.