The orchid Cattleya Charlesworthii (1900) is a hybrid registered with the Royal Horticultural Society by Charlesworth Ltd. in 1900.
Top three species ancestors and their influences are

• Cattleya dowiana var. aurea (50.00%)  subgenus Cattleya  section: Cattleya 
• Cattleya cinnabarina (50.00%)  subgenus Parviflorae  section: Parviflorae   series: Parviflorae