The orchid Paphiopedilum Ledouxiae is a hybrid registered with the Royal Horticultural Society by Le Doux in 1891.
Top three species ancestors and their influences are

• Paphiopedilum callosum (50.00%)  subgenus Sigmatopetalum  subsection: Barbata 
• Paphiopedilum barbatum (25.00%)  subgenus Sigmatopetalum  section: Blepharopetalum 
• Paphiopedilum villosum (25.00%)  subgenus Paphiopedilum  section: Paphiopedilum