Cattleya Memoria Walter Armacost (Cattleya Cuesta (1941) × Cattleya Tityus)

The orchid Cattleya Memoria Walter Armacost is a hybrid in the Cattleya genus. registered with the Royal Horticultural Society by Armacost in 1951. Registered parents are Cattleya Cuesta (1941) × Cattleya Tityus. The key influencing species of this hybrid are Cattleya warscewiczii (25.00% subgenus Cattleya section: Cattleya ) Cattleya lueddemanniana (12.50% subgenus Cattleya section: Cattleya series: Lawrenceanae ) Cattleya purpurata (12.50% subgenus Crispae section: Crispae series: Cattleyodes ) listed in order of their genetic contribution.