Galium is a large genus of annual and perennial herbaceous plants in the family Rubiaceae, occurring in the temperate zones of both the Northern and Southern Hemispheres. Some species are informally known as bedstraw.
Psychotria is a genus of flowering plants in the family Rubiaceae. It contains 1,582 species and is therefore one of the largest genera of flowering plants. The genus has a pantropical distribution and members of the genus are small understorey trees in tropical forests. Some species are endangered or facing extinction due to deforestation, especially species of central Africa and the Pacific.
Alberta is a monotypic genus of flowering plants in the family Rubiaceae. Most species have been transferred to the genus Razafimandimbisonia, except for the type species Alberta magna. It is native to KwaZulu-Natal, South Africa and is commonly known as Natal flame bush.
Alleizettella is a genus of flowering plants in the family Rubiaceae. It is restricted to southeastern China and northern Vietnam. The genus commemorates French botanist Aymar Charles d'Alleizette.
Erithalis is a genus of flowering plants in the family Rubiaceae. The genus is found from southern Florida to tropical America.
Robynsia is a monotypic genus of flowering plants in the family Rubiaceae. It was described by John Hutchinson and was named after his friend and colleague Walter Robyns. The genus contains only one species, Robynsia glabrata, which is found in Ghana, Ivory Coast and Nigeria. The species is morphologically similar to the genus Cuviera but differs by having long, slender corolla tubes.
Theligonum is a genus of flowering plants in the family Rubiaceae. It was described by Carl Linnaeus in 1753. The genus is found from Macaronesia to the Mediterranean Basin, and from China to temperate eastern Asia. It is the only genus in the tribe Theligoneae.
Anthospermopsis is a monotypic genus of flowering plants in the family Rubiaceae. It was described by Joseph Harold Kirkbride Jr. in 1997. The genus contains only one species, viz. Anthospermopsis catechosperma, which is endemic to Bahia, Brazil.
Ceuthocarpus is a monotypic genus of flowering plants in the family Rubiaceae. The genus contains only one species, viz. Ceuthocarpus involucratus, which is endemic to Cuba.
Colletoecema is a genus of flowering plants in the family Rubiaceae. It is the only genus in the tribe Colletoecemateae. The 3 species are found from west-central tropical Africa to Angola.
Condaminea is a genus of flowering plants in the family Rubiaceae. The genus is found in central and southern tropical America.
Crossopteryx is a monotypic genus of flowering plants in the family Rubiaceae. The genus contains only one species, viz. Crossopteryx febrifuga, which is found in tropical and southern Africa.
Deccania is a monotypic genus of flowering plants in the family Rubiaceae. The genus contains only one species, viz. Deccania pubescens, which is endemic to India.
Dibrachionostylus is a monotypic genus of flowering plants in the family Rubiaceae. The genus contains only one species, viz. Dibrachionostylus kaessneri, which is endemic to Kenya.
Diyaminauclea is a monotypic genus of flowering plants in the family Rubiaceae. The genus contains only one species, viz. Diyaminauclea zeylanica, which is endemic to Sri Lanka.
Dolichodelphys is a monotypic genus of flowering plants in the family Rubiaceae. The genus contains only one species, viz. Dolichodelphys chlorocrater, which is found in Venezuela, Colombia, Ecuador, and Peru.
Dunnia is a monotypic genus of flowering plants in the family Rubiaceae. The genus contains only one species, viz. Dunnia sinensis, which is endemic to Guangdong.
Durringtonia is a monotypic genus of flowering plants in the family Rubiaceae. The genus contains only one species, viz. Durringtonia paludosa, which is endemic to Australia.
Trailliaedoxa is a monotypic genus of flowering plants in the family Rubiaceae. The genus contains only one species, viz. Trailliaedoxa gracilis, which is endemic to south-central China. It is also the only species in the tribe Trailliaedoxeae.
Steenisia is a genus of flowering plants in the family Rubiaceae. The genus is endemic to Borneo.
