Cattleya Illustris (1915) - orchidroots .

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

Cattleya Illustris (1915), Armstrong/Brown 1915 (RHS)

This orchid is a Cattleya hybrid registered with the RHS. 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 )