From http://orchidspecies.com/dentransparens.htm "Found in western Himalayas, Bangladesh, eastern Himalayas, Assam India, Nepal, Bhutan, Sikkim, and Myanamar in dense wet forests at elevations of 500 to 2100 meters as a medium to large sized, hot to warm growing epiphyte with slender, terete, basally swollen, erect to pendulous stems carrying 5 to 7, deciduous, linear-lanceolate, recurved, acute leaves that blooms in the spring and early summer on a short, 2 to 3, flowered raceme emerging from hyaline bracts with short lived, fragrant flowers that arise from the large transparent bracts at the nodes of the old leafless canes and needs a slight rest from water and fertilizer in the winter although plants should never become completely dry for extended periods."