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.
Anthospermum is a genus of flowering plants in the family Rubiaceae. It is found in Tropical and Southern Africa, Madagascar and in southwestern Arabian Peninsula.
Belonophora ongensis is a species of flowering plant in the family Rubiaceae. It is native to Gabon and Cameroon. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.
Blepharidium is a monotypic genus of flowering plants in the family Rubiaceae. The genus contains only one species, viz. Blepharidium guatemalense, which is native to Guatemala, Honduras and southern Mexico. Older works might mention two species.
Gaertnera hirtiflora is a species of plant in the family Rubiaceae. It is endemic to Mauritius. Its natural habitat is subtropical or tropical dry forests.
Gaertnera longifolia is a species of plant in the family Rubiaceae. It is endemic to Mauritius. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.
Gaertnera truncata is a species of plant in the family Rubiaceae. It is endemic to Mauritius. Its natural habitat is subtropical or tropical dry forests.
Glionnetia is a monotypic genus of flowering plants in the family Rubiaceae. The genus contains only one species, viz. Glionnetia sericea, which is endemic to Mahé and Silhouette Island in the Seychelles. The species thrives mainly on high ridges in the mountains and it does not seem to grow well at lower altitudes. Glionnetia sericea is a small flower with paniculate terminal inflorescences and it has capsules that are dispersed by wind.
Guettarda is a plant genus in the family Rubiaceae. Most of these plants are known by the common name Velvetseed. Estimates of the number of species range from about 50 to 162. Most of the species are neotropical. Twenty are found in New Caledonia and one reaches Australia. A few others are found on islands and in coastal areas of the Indian and Pacific Oceans.
Oxyanthus okuensis is a species of plant in the family Rubiaceae. It is endemic to Cameroon. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss.
Palicourea is a plant genus in the family Rubiaceae. It contains about 200 species, which range from shrubs to small trees, and is distributed throughout the New World tropics.
Psychotria angustata is a species of plant in the family Rubiaceae. It is endemic to Ecuador.
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.
Vangueria schliebenii is a species of flowering plant in the family Rubiaceae. It is endemic to Tanzania.
Wendlandia angustifolia is a species of plant in the family Rubiaceae. It is endemic to Tamil Nadu, India. The species was presumed to be extinct until 1998, when it was rediscovered after a gap of 81 years near its previously known natural habitat, during an inventory of threatened plants of Kalakkad Mundantharai Tiger Reserve, Tamil Nadu.
Rondeletia is a genus of flowering plants in the family Rubiaceae. It is endemic to the Neotropics. There are around 160 species.
Plocama tinctoria is a species of flowering plant in the family Rubiaceae. It is endemic to northern Somalia and the Socotra archipelago of Yemen. Its natural habitat is subtropical or tropical dry forests. It is listed by the IUCN as a threatened species under the basionym Gaillonia tinctoria.
Anthospermum aethiopicum is a species of flowering plant in the family Rubiaceae, indigenous to South Africa.
Coffea racemosa, also known as racemosa coffee and Inhambane coffee, is a species of flowering plant in the family Rubiaceae. It has naturally low levels of caffeine, less than half of that found in Coffea arabica, and a quarter of that in Robusta coffee. It is endemic to the coastal forest belt between northern KwaZulu-Natal in South Africa and Zimbabwe, found in an area less than 150 km2 (58 sq mi) in size. It was widely cultivated by the Portuguese during the 1960-1970s in Mozambique, currently there are only two plantations at Ibo Island and in Hluhluwe, which remain.
Stenotis is a genus of flowering plants belonging to the family Rubiaceae.
