Medium sized epiphyte. Pseudobulbs cylindrical, to 25 cm long, erect to pendent. Leaves 1?5, lanceolate or elliptic, to 6 cm long, to 2 cm wide, soon falling. Flowers 2-4, to 3 cm long, bright orange, labellum dull orange with darker veins; spring to summer. Sepals and petals narrow-lanceolate, curved backwards. Labellum ovate, concave, 3-ridged.

Thailand and Laos.

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.