The orchid Paphiopedilum Rosita is a hybrid registered with the Royal Horticultural Society by Low in 1902.
Top three species ancestors and their influences are

• Paphiopedilum callosum (50.00%)  subgenus Sigmatopetalum  subsection: Barbata 
• Paphiopedilum charlesworthii (50.00%)  subgenus Paphiopedilum  section: Paphiopedilum