Platystele is a genus of orchids, comprising about 95 species. Most of these have small flowers, some of the smallest in the family. The genus is widespread across Mexico, Central America, the West Indies, and South America as far south as Bolivia, but infrequent in Brazil. Luer, C. A. 1990. Icones Pleurothallidinarum–VII. Systematics of Platystele (Orchidaceae). Monographs in systematic botany from the Missouri Botanical Garden 38: 1–135.
Pogoniopsis is a genus of orchids. It contains two known species, both endemic to Brazil. It was previously included in the subfamily Vanilloideae, but is now placed in the tribe Triphoreae of the subfamily Epidendroideae.
Warmingia is a genus of orchids belonging to the subfamily Epidendroideae within the family Orchidaceae. It has four species, native to South and Central America.
Caluera is a genus of flowering plants in the orchid family, Orchidaceae. It contains three species, all native to South America:
Centroglossa is a genus of flowering plants from the orchid family, Orchidaceae. It contains 5 accepted species, all endemic to Brazil:
- Centroglossa castellensisBrade - Espírito Santo
- Centroglossa greeniana(Rchb.f.) Cogn. in C.F.P.von Martius - Rio de Janeiro, São Paulo
- Centroglossa macrocerasBarb.Rodr.
- Centroglossa nunes-limaePorto & Brade - Minas Gerais, Espírito Santo
- Centroglossa tripollinica(Barb.Rodr.) Barb.Rodr.
Chytroglossa is a genus of flowering plants from the orchid family, Orchidaceae. It contains three recognized species, all endemic to southeastern Brazil.
Constantia is a genus of flowering plants from the orchid family, Orchidaceae. It contains 6 known species, all endemic to Brazil:
- Constantia australis(Cogn.) Porto & Brade - Santa Catarina
- Constantia cipoensisPorto & Brade - Minas Gerais
- Constantia cristinaeF.E.L.Miranda - Minas Gerais
- Constantia gutfreundianaChiron & V.P.Castro - Minas Gerais
- Constantia microscopicaF.E.L.Miranda - Minas Gerais
- Constantia rupestrisBarb.Rodr. - Rio de Janeiro
Discyphus is a genus of flowering plants from the orchid family, Orchidaceae. It is the only genus in the subtribe Discyphinae of the tribe Cranichideae. It contains only one currently recognized species, Discyphus scopulariae, with two accepted varieties:
Thysanoglossa is a genus of flowering plants from the orchid family, Orchidaceae. It contains three known species, all endemic to southeastern Brazil.
Hapalorchis is a genus of flowering plants from the orchid family, Orchidaceae, native to Central America, South America, and the West Indies.
- Hapalorchis cymbirostrisSzlach. - Rio de Janeiro
- Hapalorchis lindleyanaGaray - Rio de Janeiro
- Hapalorchis lineata(Lindl.) Schltr. - widespread from Guatemala east to Puerto Rico and south to Brazil
- Hapalorchis longirostrisSchltr. - Colombia
- Hapalorchis neglectaSzlach. & Rutk. - Ecuador
- Hapalorchis pandurataSzlach. - Rio de Janeiro
- Hapalorchis piesikiiSzlach. & Rutk. - Colombia
- Hapalorchis pumila(C.Schweinf.) Garay - Costa Rica, Ecuador, Peru
- Hapalorchis stellarisSzlach. - Rio Grande do Sul
- Hapalorchis trilobataSchltr. - Colombia
Pelexia is a genus of flowering plants from the orchid family, Orchidaceae. It has about 60-70 accepted species, native to Latin America, the West Indies and Florida.
Plectrophora is a genus of flowering plants from the orchid family, Orchidaceae. It is native to Central and South America.
Polyotidium is a monotypic genus of flowering plants from the orchid family, Orchidaceae. The sole species is Polyotidium huebneri, native to Colombia, Venezuela and Brazil.
Psilochilus is a genus of flowering plants from the orchid family, Orchidaceae. It is native to South America, Central America, Mexico and the West Indies.
- Psilochilus carinatusGaray - Colombia
- Psilochilus dusenianusKraenzl. ex Garay & Dunst. - Venezuela, Brazil
- Psilochilus macrophyllus(Lindl.) Ames - widespread from central Mexico and the West indies south to Peru
- Psilochilus maderoi(Schltr.) Schltr. - Colombia
- Psilochilus modestusBarb.Rodr. - Venezuela, Brazil
- Psilochilus mollisGaray - Ecuador
- Psilochilus physurifolius(Rchb.f.) Løjtnant - Venezuela, Guyana
- Psilochilus vallecaucanusKolan. & Szlach. - Colombia
Pteroglossa is a genus of flowering plants from the orchid family, Orchidaceae. It is native to South America, Central America, and Mexico.
- Pteroglossa euphlebia(Rchb.f.) Garay - Rio de Janeiro
- Pteroglossa glazioviana(Cogn.) Garay - Brazil, Paraguay
- Pteroglossa hilariana(Cogn.) Garay - Brazil
- Pteroglossa lurida(M.N.Correa) Garay - Brazil, Paraguay, Argentina
- Pteroglossa luteolaGaray - Argentina
- Pteroglossa macrantha(Rchb.f.) Schltr. - Brazil, Paraguay, Venezuela
- Pteroglossa magnificaSzlach. - Paraguay
- Pteroglossa regia(Kraenzl.) Schltr. - Argentina
- Pteroglossa rhombipetalaGaray - Paraguay, Argentina
- Pteroglossa roseoalba(Rchb.f.) Salazar & M.W.Chase - widespread from Oaxaca to Argentina
Rauhiella is a genus of flowering plants from the orchid family, Orchidaceae.
Sacoila is a genus of flowering plants from the orchid family, Orchidaceae, native to the Western Hemisphere. It occurs in Mexico, Central America, South America, the West Indies and Florida.
Sanderella is a genus of flowering plants from the orchid family, Orchidaceae, native to South America. Two species are recognized at present :
Skeptrostachys is a genus of flowering plants from the orchid family, Orchidaceae. It is native to eastern South America.
Solenidium is a genus of flowering plants from the orchid family, Orchidaceae. It has three known species, all native to South America.
