Myanthus barbatus var. immaculatus Knowles & Westc. (1837)
Catasetum proboscideum Lindl. (1839)
Catasetum spinosum (Hook.) Lindl. (1840)
Myanthus spinosus Hook. (1840)
Catasetum comosum Cogn. (1895)
Catasetum brachybulbon Schltr. (1925)
Catasetum polydactylon Schltr. (1925)
Catasetum buchtienii Kraenzl. (1928)
Catasetum barbatum, the bearded catasetum, is a species of orchid. It occurs commonly in Amazonas and Central Brazil. It is found in a wide variety of open, lowlands habitats, mostly riparian. It is unique in having male, female, and hermaphroditic flowers, pollinated by male euglossine bees.[1]