Cattleya Illustris (1915) (Cattleya Acis (1911) × Cattleya Iridescens)

The orchid Cattleya Illustris (1915) is a hybrid in the Cattleya genus. registered with the Royal Horticultural Society by Armstrong/Brown in 1915. Registered parents are Cattleya Acis (1911) × Cattleya Iridescens. The key influencing species of this hybrid are Cattleya dowiana (37.50% subgenus Cattleya section: Cattleya ) Cattleya bicolor (25.00% subgenus Intermediae ) Cattleya wallisii (25.00% subgenus Cattleya section: Cattleya series: Lawrenceanae ) listed in order of their genetic contribution.