ORIGIN: Found in Thailand, Laos and Vietnam at elevations of 400 to 1900 meters.
DESCRIPTION: Medium sized, hot to cool growing growing terrestrial with ovoid, pyramidical, 5 to 6 ridged [when dry] pseudobulbs carrying 3 apical elliptic-lanceolate, acuminate, petiolate leaves that blooms in the fall on a basal, erect, pubescent, 2 1/2' [75 cm] long, loosely several to many [10 to 15] flowered inflorescence with ovate-lanceolate, narrow floral bracts with 10 to 20, showy flowers.
FLOWER SIZE: 1 Across inches [2.5 cm]
-- information provided by Jay Pfahl, author of the
Internet Orchid Species Encyclopedia (IOSPE).