Medium sized epiphyte. Pseudobulbs spindle shaped, to 25 cm long, clustered. Leaves 2 or 3, oblong to ovate, to 11 cm long, to 3 cm wide. Flowers 2-6, to 5 cm wide, fragrant, bright yellow. Sepals lanceolate. Petals elliptic, margins deeply fringed, wider than sepals. Labellum entire, almost round, densely hairy, margins fringed with an orange throat; summer.

Burma,Thailand and Vietnam.

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.