The orchid Vanda Blue Boy (1967) is a hybrid registered with the Royal Horticultural Society by Hajime Ono in 1967. It is originated by W.K.Nakamoto
Top three species ancestors and their influences are

• Vanda coerulea (62.50%)  section: Longicalcarata 
• Vanda curvifolia (25.00%)  section: Ascocentrum 
• Vanda sanderiana (12.50%)  section: Roeblingiana