Bulbophyllum is a genus of mostly epiphytic and lithophytic orchids in the family Orchidaceae. It is the largest genus in the orchid family and one of the largest genera of flowering plants with more than 2,000 species, exceeded in number only by Astragalus. These orchids are found in diverse habitats throughout most of the warmer parts of the world including Africa, southern Asia, Latin America, the West Indies, and various islands in the Indian and Pacific Oceans. Orchids in this genus have thread-like or fibrous roots that creep over the surface of trees or rocks or hang from branches. The stem is divided into a rhizome and a pseudobulb, a feature that distinguished this genus from Dendrobium. There is usually only a single leaf at the top of the pseudobulb and from one to many flowers are arranged along an unbranched flowering stem that arises from the base of the pseudobulb. Several attempts have been made to separate Bulbophyllum into smaller genera, but most have not been accepted by the World Checklist of Selected Plant Families.
Pachypodium is a genus of succulent spine-bearing trees and shrubs, native to Madagascar and Africa. It belongs to the family Apocynaceae.
Catharanthus is a genus of flowering plants in the family Apocynaceae. Like the genus Vinca, they are known commonly as periwinkles. There are eight known species. Seven are endemic to Madagascar, though one, C. roseus, is widely naturalized around the world. The eighth species, C. pusillus, is native to India and Sri Lanka. The name Catharanthus comes from the Greek for "pure flower".
Eugenia is a genus of flowering plants in the myrtle family Myrtaceae. It has a worldwide, although highly uneven, distribution in tropical and subtropical regions. The bulk of the approximately 1,100 species occur in the New World tropics, especially in the northern Andes, the Caribbean, and the Atlantic Forest of eastern Brazil. Other centers of diversity include New Caledonia and Madagascar. Many of the species that occur in the Old World have received a new classification into the genus Syzygium.
Ravenala is a genus of flowering plants with a single species, Ravenala madagascariensis, commonly known as the traveller's tree, traveller's palm or East-West palm, from Madagascar. It is not a true palm but a member of a monocotyledonous flowering plant family, Strelitziaceae. The genus is closely related to the southern African genus Strelitzia and the South American genus Phenakospermum. Some older classifications include these genera in the banana family (Musaceae). Although it is usually considered to be a single species, four different forms have been distinguished.
Tabernaemontana is a genus of flowering plants in the family Apocynaceae. It has a pan-tropical distribution, found in Asia, Africa, Australia, North America, South America, and a wide assortment of oceanic islands. These plants are evergreen shrubs and small trees growing to 1–15 m tall. The leaves are opposite, 3–25 cm long, with milky sap; hence it is one of the diverse plant genera commonly called "milkwood". The flowers are fragrant, white, 1–5 cm in diameter.
Foetidia is a genus of flowering plants first described as a genus in 1788. Most authors place the genus in the family Lecythidaceae, the sole genus in the subfamily Foetidioideae, but some prefer to treat it as a distinct family, the Foetidiaceae. It is native to eastern Africa and to various islands in the Indian Ocean.
Croton is an extensive flowering plant genus in the spurge family, Euphorbiaceae. The plants of this genus were described and introduced to Europeans by Georg Eberhard Rumphius. The common names for this genus are rushfoil and croton, but the latter also refers to Codiaeum variegatum. The generic name comes from the Greek κρότος, which means "tick" and refers to the shape of the seeds of certain species.
Wielandia is a genus of flowering plant, of the family Phyllanthaceae first described as a genus in 1858. The plants are native to Kenya, Madagascar, and to various other islands in the Indian Ocean.
Omphalea is a plant genus of the family Euphorbiaceae first described as a genus in 1759. It is native to tropical parts of the Americas, the West Indies, Asia, Australia, and Africa.
Rauvolfia is a genus of evergreen trees and shrubs, commonly known as devil peppers, in the family Apocynaceae. The genus is named to honor Leonhard Rauwolf. The genus can mainly be found in tropical regions of Africa, Asia, Latin America, and various oceanic islands.
Uapaca is a genus of plant, in the family Phyllanthaceae first described as a genus in 1858. It is the only genus comprised in the tribe Uapaceae. The genus is native to Africa and Madagascar.
Meineckia is a genus of flowering plants in the family Phyllanthaceae first described as a genus in 1858.
Asteropeia is a genus of flowering plants. The genus contains 8 known species of shrubs and small trees, all endemic to Madagascar. It is the sole genus in family Asteropeiaceae. Members of the family are evergreen trees or shrubs.
The Madagascar spiny forests is an ecoregion in the southwest of Madagascar. The vegetation type is found on poor substrates with low, erratic winter rainfall. The ecoregion contains an outstanding proportion of endemic plant species and is listed as one of the 200 most important ecological regions in the world; one of the Global 200.
Faurea is a genus containing 15 species of flowering plants in the protea family which occur in the summer rainfall area of southern Africa, extending to tropical Africa and Madagascar. The name honours South African soldier and botanist William Caldwell Faure (1822-1844) who was killed on active service in India.
Mimusops is a genus of plants in the family Sapotaceae described as a genus by Linnaeus in 1753.
Stephanostegia capuronii is a species of plant in the family Apocynaceae. It is endemic to Madagascar.
Typhonodorum is a monotypic genus of flowering plants in the family Araceae. The single species making up this genus is Typhonodorum lindleyanum. The genus is native to Madagascar, the Comores, Zanzibar, Réunion and Mauritius. This genus is believed to be closely related to Peltandra even though Peltandra is only found in North America and there don't appear to exist closely related genera in the African mainland. There isn't fossil evidence to link the two genera so it has been proposed that there once was a genus in Africa from which the two genera had originated. The African mainland genus spread to North America and to Madagascar 50 million years ago before it broke off. Then the African genus became extinct and the North American and Madagascan genera remained.
Malagasia is a monotypic genus of trees in the family Proteaceae. The sole species is Malagasia alticola, endemic to Madagascar.
