Diodia is a genus of flowering plants in the family Rubiaceae. It was described by Carl Linnaeus in 1753. The genus is found from southern and eastern United States, South America, Central America, Mexico, the West Indies and tropical Africa.
Pentas is a genus of flowering plants in the family Rubiaceae. The genus is found in tropical and southern Africa, the Comoros, Madagascar, and the Arabian Peninsula.
Bertiera is a genus of flowering plants in the family Rubiaceae. It comprises 57 species with most known from tropical Africa, five known from various Indian Ocean islands and five found in the tropics of the Americas.
Leptactina is a genus of flowering plants in the family Rubiaceae. There are about 27 species. They are all native to sub-Saharan Africa, where most occur in rainforest habitat.
Oxyanthus is a genus of plant in family Rubiaceae. It contains the following species :
Rothmannia is a genus of flowering plants in the family Rubiaceae. It was described in 1776 and is named for Göran Rothman (1739–1778) by Thunberg – both were pupils of Linnaeus.
Rytigynia is a genus of flowering plants in the family Rubiaceae. It is found in tropical and southern Africa. The genera Rytigynia and Fadogia form a strongly supported clade but neither of these genera is monophyletic.
Tricalysia is a genus of flowering plants in the family Rubiaceae. The genus is found in tropical and southern Africa and on the islands in the Western Indian Ocean.
Vangueria is a genus of flowering plants in the family Rubiaceae. The genus is named for Voa vanguer, as V. madagascariensis is known in Malagasy.
Paederia is a genus of flowering plants in the madder family, Rubiaceae. They are commonly known as sewer vines because of the strong odours exuded when their leaves or stems are crushed or bruised.
Fadogia is a genus of flowering plants in the family Rubiaceae. The genera Rytigynia and Fadogia form a strongly supported clade but neither of these genera is monophyletic.
Hymenodictyon is a genus of flowering plants in the family Rubiaceae. It has about 30 species. All are native to the Old World. The wood of Hymenodictyon orixense is soft and has limited use, mostly for boxes. The type species for Hymenodictyon is Hymenodictyon orixense.
Cuviera is a genus of flowering plants in the family Rubiaceae native to tropical Africa. It was originally described by Augustin Pyramus de Candolle in 1807 and is named after the French naturalist Georges Cuvier.
Pentanisia is a genus of flowering plants in the family Rubiaceae.
Danais is a genus of flowering plants in the family Rubiaceae. Most species are native to Madagascar; at least three others are distributed in Tanzania, Comoros, and the Mascarene Islands.
Carpacoce is a genus of flowering plants in the family Rubiaceae. All species are endemic to the Cape Floristic Region of South Africa.
Knoxieae is a tribe of flowering plants in the family Rubiaceae and contains about 131 species in 16 genera. Its representatives are found in Tropical and Southern Africa, the islands in the Western Indian Ocean, the Arabian Peninsula, Tropical and Subtropical Asia, and Northern Australia.
Anthospermeae is a tribe of flowering plants in the family Rubiaceae and contains 208 species in 12 genera. Its representatives are found in the Southern Hemisphere, with the exception of the two species of the genus Phyllis. At least two genera, namely Coprosma and Galopina are anemophilous.
