Oncidium altissimum, Wydler's dancing-lady orchid, is a species of orchid native to the West Indies (Cuba, Puerto Rico and the Lesser Antilles), with an 18th-Century citation from Jamaica.Kew World Checklist of Selected Plant Families, Oncidium altissimum (Jacq.) Sw.

This name should not be confused with the illegitimate homonym Oncidium altissimum Lindl. 1833, now considered a synonym of O. baueri native to South America.Kew World Checklist of Selected Plant Families, Oncidium altissimum Lindl. The true Oncidium altissimum was first described in 1760 by Nicolaus Joseph von Jacquin with the name Epidendrum altissimum, citing Jamaica as the origin of the specimen he was describing .Nicolaus Joseph von Jacquin. 1760. Enumeratio Systematica Plantarum, quas in insulis Caribaeis 30. Olof Swartz later transferred the species to Oncidium in 1800.Swartz, Olof. 1800. Kongl. Vetenskaps Academiens Nya Handlingar 21: 240.

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