The orchid Cattleya Nella (1911) is a hybrid registered with the Royal Horticultural Society by Veitch in 1911.
Top three species ancestors and their influences are

• Cattleya labiata (50.00%)  subgenus Cattleya  section: Cattleya 
• Cattleya dowiana (25.00%)  subgenus Cattleya  section: Cattleya 
• Cattleya purpurata (25.00%)  subgenus Crispae  section: Crispae   series: Cattleyodes