Robust epiphyte or epilith. Stem to 1 m long. Leaves cylindrical, to 10 cm long, to 0.5 cm thick, grooved above. Inflorescences to 10 cm long. Flowers 1-4, to 6 cm wide, white; spring to autumn. Sepals and petals similar, pointed, linear, petals slightly narrower. Labellum more or less round, tip pointed. Spur 9-15 cm long, hanging, slender.
Source: (2005). Orchidaceae. In: . Horticultural Flora of South-eastern Australia. Volume 5. Flowering plants. Monocotyledons. The identification of garden and cultivated plants. University of New South Wales Press.