Rhyncholaeliocattleya Ewart McDonald (Rhyncholaeliocattleya Norman's Bay × Cattleya Vallandina)

The orchid Rhyncholaeliocattleya Ewart McDonald is a hybrid in the Rhyncholaeliocattleya genus. registered with the Royal Horticultural Society by McDonald in 1960. It is originated by Mansell & Hatcher Registered parents are Rhyncholaeliocattleya Norman's Bay × Cattleya Vallandina. The key influencing species of this hybrid are Cattleya warscewiczii (21.88% subgenus Cattleya section: Cattleya ) Cattleya dowiana (17.19% subgenus Cattleya section: Cattleya ) Cattleya warneri (10.94% subgenus Cattleya section: Cattleya ) listed in order of their genetic contribution.