The orchid Rhyncholaeliocattleya Fortune is a hybrid registered with the Royal Horticultural Society by Stewart Inc. in 1963.
Top three species ancestors and their influences are

• Cattleya dowiana (59.38%)  subgenus Cattleya  section: Cattleya 
• Cattleya tenebrosa (15.63%)  subgenus Crispae  section: Crispae   series: Cattleyodes 
• Cattleya bicolor (14.06%)  subgenus Intermediae