This orchid hails from Sumatra and other nearby islands. It’s notable for its small flowers, with a violet center fading to white. Some varieties, such as this one, also have green edging.
This one was at Hawaii Tropical Botanical Garden. For more information about Hawaii Tropical Botanical Garden, go to htbg.com.
Graham's Island 
Beautiful orchid, Graham, I must have missed this one!
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I hadn’t seen it before either. It just happened to be blooming on my latest visit.
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