Rhyncattleanthe Grezaffi's Blue (Rhyncattleanthe Victoria × Cattleya Holdenii)

The orchid Rhyncattleanthe Grezaffi's Blue is a hybrid in the Rhyncattleanthe genus. registered with the Royal Horticultural Society by J.Grezaffi in 1983. Registered parents are Rhyncattleanthe Victoria × Cattleya Holdenii. The key influencing species of this hybrid are Cattleya intermedia (25.00% subgenus Intermediae ) Cattleya warneri (25.00% subgenus Cattleya section: Cattleya ) Guarianthe bowringiana (18.75% subgenus Circumvola section: Moradae ) listed in order of their genetic contribution.