Gastrochilus obliquus is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Vandeae, subtribe: Aeridinae,  
Genus Gastrochilus   section: Gastrochilus 
Infraspecific taxa recognized within Gastrochilus obliquus: infraspecific taxa
This species is found in C. Himalaya to SC. China and Indo-China.