The orchid Rhyncholaeliocattleya Madame Mavrocordato is a hybrid in the Rhyncholaeliocattleya genus. registered with the Royal Horticultural Society by Charlesworth Ltd. in 1909. Registered parents are Rhyncholaelia digbyana × Cattleya Iona (1899). The key influencing species of this hybrid are No items in the list. listed in order of their genetic contribution.