The orchid Vandaenopsis Irene is a hybrid registered with the Royal Horticultural Society by Y.Sagawa in 1975.
Top three species ancestors and their influences are

• Vanda falcata (50.00%)  section: Neofinetia 
• Phalaenopsis equestris (50.00%)  subgenus Phalaenopsis  section: Stauroglottis