The orchid Cattleya Anzac (1918) is a hybrid registered with the Royal Horticultural Society by Charlesworth Ltd. in 1921.
Top three species ancestors and their influences are

• Cattleya dowiana (37.50%)  subgenus Cattleya  section: Cattleya 
• Cattleya purpurata (25.00%)  subgenus Crispae  section: Crispae   series: Cattleyodes 
• Cattleya cinnabarina (12.50%)  subgenus Parviflorae  section: Parviflorae   series: Parviflorae