Potinara: Potinara hybrid unknown_01
ID Orchid #01-2012M 01
Potinara hybrid. According to Wikipedia, the genus name 'potinara' denotes a hybrid among a short list of wild genera of orchids. I didn't see any label that gave more specific information for this particular species.
February 8, 2012
Tropical House, Matthaei Botanical Gardens Conservatory.