The orchid Cattleya Sunburst is a hybrid registered with the Royal Horticultural Society by Charlesworth Ltd. in 1927.
Top three species ancestors and their influences are

• Cattleya dowiana (87.50%)  subgenus Cattleya  section: Cattleya 
• Cattleya tenebrosa (12.50%)  subgenus Crispae  section: Crispae   series: Cattleyodes