small, white flower, epiphytic, no leaves (at the time)
cloudforest, about 1800m
This is one of 6 species of orchid I spotted in Doi Inthanon National Park. Some of them were abundant and easy to spot. Others, like this one, I only saw one. It was nearing the end of the day and the light was in the wrong position for a better shot. I've showed a few orchidophiles and they had no idea on this one.