The orchid Cattleya milleri-longipes is a hybrid . This orchid hybrid lacks official registration. The name is an internal designation created within the orchidroots system.
Top three species ancestors and their influences are

• Cattleya milleri (50.00%)  subgenus Parviflorae  section: Parviflorae   series: Parviflorae 
• Cattleya longipes (50.00%)  subgenus Parviflorae  section: Liliputinae   series: Parviflorae