Medium sized epiphyte or epilith. Pseudobulbs tetragonal, to 10 cm long. Leaves narrow-elliptic, to 45 cm long, to 10 cm wide. Flowers 3-5, to 6 cm wide; summer. Sepals and petals greenish-yellow with brownish or purplish streaks. Labellum glabrous, mostly white, purplish towards base.

Brazil.

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.