Elmar Robbrecht

Coffea magnistipula is a species of flowering plant in the family Rubiaceae. It is a shrub species of Coffea that is endemic to the Lower Guinean forests of tropical West Africa, specifically the South Cameroon Plateau and the Chaillu Massif of Gabon. Its scientific name is derived from the large stipules in which rain water and debris collects. The plant is unusual among Coffea species in having adventitious roots.

Sericanthe is a genus of flowering plants in the family Rubiaceae. It is found in tropical and subtropical Africa. The genus was described by Elmar Robbrecht in 1978 based on the species in Neorosea, except for the type species, Neorosea jasminiflora, which went to Tricalysia. Bacterial leaf nodules are found in most of the species and the endophytic bacteria have been identified as Burkholderia.

Argocoffeopsis lemblinii is an extinct relative of the coffee plant, within the family Rubiaceae. It is only known from the holotype collected by French botanist Auguste Jean Baptiste Chevalier in January 1907 in the valley of the Agnéby river in Côte d'Ivoire, and was not found during subsequent surveys. Argocoffeopsis lemblinii was a much branched shrub which could reach a height of about 50 centimetres. The flowers were white, the small fruits spheroid. It grew in a forest habitat.

Hymenocoleus is a genus of flowering plants in the family Rubiaceae and occurs in tropical Africa.

Calycosiphonia is a genus of flowering plants in the family Rubiaceae. It is native to tropical Africa from Ivory Coast to Sudan to Mozambique.

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Empogona talbotii is a species of plant in the family Rubiaceae. It is found in Cameroon and Nigeria. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.

Empogona concolor is a species of plant in the family Rubiaceae. It is endemic to Gabon.

Empogona africana is a species of plant in the family Rubiaceae. It is endemic to South Africa. It is threatened by habitat loss.

Calycosiphonia macrochlamys is a species of plant in the family Rubiaceae. It is found in Cameroon, the Democratic Republic of the Congo, Equatorial Guinea, Gabon, and Ghana. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.

Tricalysia schliebenii is a species of plant in the family Rubiaceae. It is endemic to Tanzania.

Tricalysia pedicellata is a species of plant in the family Rubiaceae. It is endemic to Tanzania.

Empogona acidophylla is a species of plant in the family Rubiaceae. It is endemic to Tanzania.

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Sericanthe toupetou is a species of plant in the family Rubiaceae. It is found in Ivory Coast and Ghana. It is threatened by habitat loss.

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Petitiocodon is a monotypic genus of flowering plants belonging to the family Rubiaceae. It only contains one known species, Petitiocodon parviflorum (Keay) Robbr. It is native to Nigeria and Cameroon. The genus name of Petitiocodon is in honour of Ernest Marie Antoine Petit (1927–2007), a Belgian professor of botany and botanical garden director. The Latin specific epithet of parviflorum is a portmanteau word made-up of 'parvi-' from parvus meaning small and also '-florum' from flora meaning flower. Both the genus and the species were first described and published in Bull. Jard. Bot. Natl.

Hymenocoleus glaber is a species of plant in the family Rubiaceae. It is endemic to Cameroon. Its natural habitat is subtropical or tropical moist lowland forests. It is threatened by habitat loss.

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