The orchid Phalaenopsis Caribbean Sunset is a hybrid registered with the Royal Horticultural Society by Thornton's Orch. in 1970. It is originated by Fredk.L.Thornton
Top three species ancestors and their influences are

• Phalaenopsis equestris (25.00%)  subgenus Phalaenopsis  section: Stauroglottis 
• Phalaenopsis stuartiana (25.00%)  subgenus Phalaenopsis  section: Phalaenopsis 
• Phalaenopsis amboinensis (25.00%)  subgenus Polychilos  section: Amboinenses