Cattleya Hassallii (1921) (Cattleya Britannia × Cattleya warscewiczii)

The orchid Cattleya Hassallii (1921) is a hybrid in the Cattleya genus. registered with the Royal Horticultural Society by Hassall in 1921. Registered parents are Cattleya Britannia × Cattleya warscewiczii. The key influencing species of this hybrid are Cattleya warscewiczii (75.00% subgenus Cattleya section: Cattleya ) Cattleya mossiae (12.50% subgenus Cattleya section: Cattleya ) Cattleya purpurata (12.50% subgenus Crispae section: Crispae series: Cattleyodes ) listed in order of their genetic contribution.