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Range DescriptionThis species is known from southern China (SW Guizhou, SE Xizang, SE and SW Yunnan) to India (Nagaland,Tripura and Manipur)and Indo-China (northern Myanmar, northern Thailand and possibly northern Viet Nam). However, most herbarium specimen records are old, for example in the Chinese Virtual Herbarium the most recent is dated 1952, in the Global Biodiversity Information Facility (GBIF 2011) the most recent dated specimen was collected in 1990. Schuiteman et al. (2008) consider, based on knowledge about the distribution and ecology of this orchid, that it may be expected to be found in Lao in the future. It is recorded to occur between 1,200 and 1,900 m asl.