Description:  This large sized, cool to cold growing, clump forming humus epiphytic species or rare lithophyte with clear yellow green leaves is found in Assam India, Myanamar, Thailand; Southern China, Laos and Vietnam in primary, evergreen, wet, closed, mixed and broadleafed, highland cloud forests on tree forks or clumps of ferns 10 to 15 meters above the ground or rarely on cliff faces as a lithophyte at altitudes of 1100 to 2100 meters in areas with abundant rainfall.