The orchid Paphiopedilum Betty Burkham is a hybrid registered with the Royal Horticultural Society by B.Thoms in 2003.
Top three species ancestors and their influences are

• Paphiopedilum lowii (50.00%)
• Paphiopedilum glanduliferum (25.00%)  subgenus Polyantha  section: Coelopedilum 
• Paphiopedilum philippinense (12.50%)  subgenus Polyantha  section: Mastigopetalum