Sepals not densely papillose hairs, only few at base from middle, or sometimes glabrous. Petals margin erose. Labellum side lobes also broader (in compare with Seidenf. drawing in Orchid genera in Thailand XIV. Column margin at base slightly erose. Polinia only 2 (?) I took 2 different pollinaria but there are only 2 pollinia (while the genus should be 4...)