Small variable epiphyte. Stem very short. Leaves 4-6, obovate to oblong, to 8 cm long, to 4 cm wide, fleshy, tip with rounded lobes. Inflorescences to 6 cm long. Flowers 1-6, to 5 cm wide, crystalline white with a cream tip on spur; autumn. Sepals and petals oblong, pointed. Labellum slightly longer than petals. Spur 6-8 cm long and sometimes coiled.

Madagascar.

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.