Paphiopedilum J. Bartels (Paphiopedilum boxallii (syn Paphiopedilum villosum var. boxallii) × Paphiopedilum callosum)

The orchid Paphiopedilum J. Bartels is a Paphiopedilum hybrid registered with the Royal Horticultural Society by Sanders[St Albans] in 1894.
Top three species ancestors and their influences are

• Paphiopedilum villosum var. boxallii (50.0%)  subgenus Paphiopedilum  section: Paphiopedilum 
• Paphiopedilum callosum (50.0%)  subgenus Sigmatopetalum  subsection: Barbata