Medium sized epiphyte. Pseudobulbs hardly differentiated, to 6 cm long. Leaves several, linear, to 45 cm long, to 2 cm wide. Flowers 4-7, to 11 cm wide; spring to summer. Sepals and petals lanceolate to ovate, similar, petals incurved around column, white, sometimes pinkish at base. Labellum shortly hairy, side lobes embracing column, white or yellow with dark red veins on midlobe.
Vietnam.
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.