(Paphiopedilum callosum)

Paphiopedilum callosum is a species in the Paphiopedilum genus. This name is accepted name for the species in the family Orchidaceae subfamily Cypripedioideae, . It is in the subgenus Sigmatopetalum subsection: Barbata . This species is found in Indo-China to NW. Pen. Malaysia.