Cattleya porphyroglossa is accepted species in  the family Orchidaceae  subfamily: Epidendroideae, tribe: Epidendreae, subtribe: Laeliinae,  
Genus Cattleya   subgenus Intermediae
Infraspecific taxa recognized within Cattleya porphyroglossa: infraspecific taxa
This species is found in Brazil (Minas Gerais to Paraná).