Paphiopedilum mastersianum is accepted species in  the family Orchidaceae  subfamily: Cypripedioideae,  
Genus Paphiopedilum   subgenus Sigmatopetalum  section: Blepharopetalum 
Infraspecific taxa recognized within Paphiopedilum mastersianum: infraspecific taxa
This species is found in Lesser Sunda Is. to Maluku.