Robust epiphyte. Pseudobulbs narrow spindle-shaped, to 1 m or more long. Leaves 2?5, linear-lanceolate, to 20 cm long, to 1 cm wide. Flowers few, to 10 cm wide; summer. Sepals and petals narrow-elliptic, olive-green to brown with darker blotches. Labellum obscurely 3-lobed, tubular at base, white at base with pink or reddish markings on apical half.

Venezuela, Guyana and 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.