I don't have much to say about this one. I couldn't find any information about it on-line, unless you count pictures, and pictures aren't that helpful on their own (except for confirming the name).
When I see lady-slipper-type orchids, I always wonder how they deal with rainfall. I mean, that big, puffy lip ought to get full of water pretty fast, if the plant got hit with a driving rainstorm. Is there a drain somewhere in the bottom, to let water out? Do they only flower during the local dry season, when rain wouldn't happen? Are the flowers exceptionally short-lived, so a flower that filled with rain would probably have been pollinated and dropping petals anyway? Do the sepals and other petals fold over the lip if it rains hard, turning water away like an umbrella?
Wouldn't say this sort of thing keeps me awake at night, but I do wonder about it. Maybe I'll have to keep wondering until I get a paph I can experiment with.