Pleurothallis eumecocaulon. Well-established blooming size plant in a 2.75" pot.
Flowers year round. The purple spotted white flowers arch over the mid-line of the leaf. Here is a link to the amazing website orchidspecies.com for more info.
Intermediate to warm temps and a shady spot are ideal for this plant. Like all pleurothallids it likes moist, humid condition.