The orchid Phalaenopsis John Ewing is a hybrid registered with the Royal Horticultural Society by D.Raum in 1991.
Top three species ancestors and their influences are

• Phalaenopsis venosa (50.00%)  subgenus Polychilos  section: Amboinenses 
• Phalaenopsis violacea (37.50%)  subgenus Polychilos  section: Zebrinae 
• Phalaenopsis lueddemanniana (12.50%)  subgenus Polychilos  section: Amboinenses