Cattleya Margaret Stewart (Cattleya Dorothy Mackaill × Cattleya loddigesii)

The orchid Cattleya Margaret Stewart is a hybrid in the Cattleya genus. registered with the Royal Horticultural Society by Stewart Inc. in 1957. Registered parents are Cattleya Dorothy Mackaill × Cattleya loddigesii. The key influencing species of this hybrid are Cattleya loddigesii (50.00% subgenus Intermediae ) Cattleya mossiae (31.25% subgenus Cattleya section: Cattleya ) Cattleya trianae (12.50% subgenus Cattleya section: Cattleya ) listed in order of their genetic contribution.