This species is in the Bifoliate division of Cattleyas.
2.
Genetically " C . walkeriana " is close to bifoliate Cattleyas.
3.
When crossed with other bifoliate cattleyas, the spotted pattern is present in the offspring.
4.
A typical example is the Australian species " Adeona cellulosa " that forms large colonies with bifoliate sheets containing numerous holes ( fenestrae ).
5.
Plants bear more or less clustered unifoliate pseudobulbs ( rarely bifoliate ), coriaceous dark-olive leaves, and possess long inflorescences with successive flowering.