Cleistes is a genus of orchids (family Orchidaceae). It contains approximately 40–50 species, most of them native to South America, with a few species extending north into Costa Rica and Trinidad.Kew World Checklist of Selected Plant Families, Cleistes Two North American species were formerly included in this group,Flora of North America, v 26 p 510, Cleistes Catling, P. M. and K. B. Gregg. 1992. Systematics of the genus Cleistes in North America. Lindleyana 7: 57–73. but are now regarded as a separate genus, Cleistesiopsis.Kew World Checklist of Selected Plant Species, Cleistesiopsis
References
(1840) The Genera and Species of Orchidaceous Plants 409. (2003) Genera Orchidacearum 3: 286 ff. Oxford University Press.
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