How to differentiate C. labiata, gaskelliana, jenmanii and lueddemanniana?

[KC Kam]

Originally Posted by Ray

I will not claim to know much on this subject, but more than just the appearance and color of the flower is used to separate them - stuff like region of origin, scent, blooming habit and timing, etc.

As they are all part of the Cattleya labiata group, without a great deal of differences of structure or appearance, some have suggested they are actually different varieties of the same species.

Thanks Ray! Is like you lift a heavy doubt from me..hahaha. Thanks for the additional resources, i read them thoroughly.
I will read the rest of the topics too