The orchid Rhyncholaeliocattleya Pulcherrima is a hybrid registered with the Royal Horticultural Society by Sanders[St Albans] in 1913.
Top three species ancestors and their influences are

• Rhyncholaelia digbyana (50.00%)
• Cattleya mossiae (25.00%)  subgenus Cattleya  section: Cattleya 
• Cattleya purpurata (25.00%)  subgenus Crispae  section: Crispae   series: Cattleyodes