Orchids are plants that belong to the family Orchidaceae, a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant. Orchids are cosmopolitan plants that are found in almost every habitat on Earth except glaciers. The world's richest diversity of orchid genera and species is found in the tropics.
Cypripedioideae is a subfamily of orchids commonly known as lady's slipper orchids, lady slipper orchids or slipper orchids. Cypripedioideae includes the genera Cypripedium, Mexipedium, Paphiopedilum, Phragmipedium and Selenipedium. They are characterised by the slipper-shaped pouches of the flowers – the pouch traps insects so they are forced to climb up past the staminode, behind which they collect or deposit pollinia, thus fertilizing the flower. There are approximately 165 species in the subfamily.
The Orchidoideae, or the orchidoid orchids, are a subfamily of the orchid family (Orchidaceae) that contains around 3630 species. Species typically have a single (monandrous), fertile anther which is erect and basitonic.
The Vandeae is a large monophyletic tribe within the family of orchids.
Chamorchis is a genus of flowering plants from the orchid family, Orchidaceae. It contains only one known species, Chamorchis alpina, known as the alpine dwarf orchid, false orchid or false musk orchid, and found in subarctic and subalpine parts of Europe: Scandinavia, the Alps, the Carpathians, northern European Russia.
Changnienia is a genus of flowering plants from the orchid family, Orchidaceae. Only one species is known, Changnienia amoena, native to China.
Chauliodon is a genus of flowering plants from the orchid family, Orchidaceae. It contains only one known species, Chauliodon deflexicalcaratum, native to tropical Africa.
Clematepistephium is a genus of flowering plants from the orchid family, Orchidaceae. It contains only one known species, Clematepistephium smilacifolium, endemic to the island of New Caledonia. Its closest relative is Eriaxis, also endemic to New Caledonia.
Coilochilus is a genus of flowering plants in the orchid family, Orchidaceae. It contains only one known species, Coilochilus neocaledonicum, endemic to New Caledonia. Its closest relative is Cryptostylis, sole other genus of subtribe Cryptostylidinae.
Cuitlauzina is a genus of flowering plants from the orchid family, Orchidaceae. It contains 8 recognized species, native to Mexico, Central America and Colombia.
Cypholoron is a genus of flowering plants from the orchid family, Orchidaceae. It contains only two known species, both native to South America.
Dossinia is a genus of flowering plants from the orchid family, Orchidaceae. At the present time, only one species is accepted, Dossinia marmorata, endemic to Borneo.
Eurychone is a genus of flowering plants from the orchid family, Orchidaceae. The genus was founded in 1918 by Rudolf Schlechter. It contains two known species, both native to tropical Africa.
Evotella is a genus of flowering plants from the orchid family, Orchidaceae. It contains only one known species, Evotella rubiginosa, endemic to South Africa.
Hintonella is a genus of flowering plants from the orchid family, Orchidaceae. It contains only one known species, Hintonella mexicana, native to central and southern Mexico.
Nabaluia is a genus of flowering plants from the orchid family, Orchidaceae. It contains 3 known species, all endemic to Borneo.
Neogardneria is a genus of flowering plants from the orchid family, Orchidaceae. It contains one known species, Neogardneria murrayana, endemic to Brazil.
Nohawilliamsia is a genus of flowering plants from the orchid family, Orchidaceae. Only one species is recognized as of June 2014, Nohawilliamsia pirarensis, native to northern South America.
Zygopetalinae is an orchid subtribe in the tribe Cymbidieae with 418 species.
Dracomonticola is a genus of flowering plants in the orchid family, Orchidaceae. It contains only one known species, Dracomonticola virginea, native to Lesotho and South Africa.
