The orchid Vanda Bitz's Heartthrob is a hybrid registered with the Royal Horticultural Society by D.Bitz in 1988.
Top three species ancestors and their influences are

• Vanda sanderiana (59.18%)  section: Roeblingiana 
• Vanda coerulea (30.86%)  section: Longicalcarata 
• Vanda dearei (6.64%)  section: Deltoglossa