Cattleya Shirayuki (Cattleya Mary Sander × Cattleya Mulleri)

The orchid Cattleya Shirayuki is a hybrid in the Cattleya genus. registered with the Royal Horticultural Society by Shimadzu in 1932. Registered parents are Cattleya Mary Sander × Cattleya Mulleri. The key influencing species of this hybrid are Cattleya intermedia (37.50% subgenus Intermediae ) Cattleya mossiae (25.00% subgenus Cattleya section: Cattleya ) Cattleya gaskelliana (25.00% subgenus Cattleya section: Cattleya ) listed in order of their genetic contribution.