| Afrocanthium keniense | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Rubiaceae |
| Genus: | Afrocanthium |
| Species: | A. keniense |
| Binomial name | |
| Afrocanthium keniense (Bullock) Lantz | |
Afrocanthium keniense is a species of flowering plant in the family Rubiaceae. It is endemic to Kenya. [2] It is threatened by habitat loss.
In 2004, a molecular phylogenetic study of DNA sequences found the genus Canthium to be polyphyletic. The authors of this study transferred 20 species, including Canthium keniense, to a new genus, Afrocanthium . [3]
The Rubiaceae are a family of flowering plants, commonly known as the coffee, madder, or bedstraw family. It consists of terrestrial trees, shrubs, lianas, or herbs that are recognizable by simple, opposite leaves with interpetiolar stipules and sympetalous actinomorphic flowers. The family contains about 13,500 species in about 620 genera, which makes it the fourth-largest angiosperm family. Rubiaceae has a cosmopolitan distribution; however, the largest species diversity is concentrated in the tropics and subtropics. Economically important genera include Coffea, the source of coffee, Cinchona, the source of the antimalarial alkaloid quinine, some dye plants, and ornamental cultivars.
Bullockia is a genus of flowering plants in the family Rubiaceae. It was originally described as a subgenus of Canthium. The genus is distributed in eastern and southern Africa from Ethiopia to Transvaal, as well as Madagascar in bushland, woodland, savannas, and dry, deciduous forests.
Canthium is a genus of flowering plants in the family Rubiaceae. They are shrubs and small trees. The leaves are deciduous and the stems are usually thorny.
Afrocanthium kilifiense is a species of flowering plant in the family Rubiaceae. It is endemic to Kenya.
Afrocanthium pseudoverticillatum is a species of flowering plant in the family Rubiaceae. It is found from Somalia, Kenya, Tanzania and Mozambique.
Afrocanthium shabanii is a species of flowering plant in the family Rubiaceae. It is endemic to Tanzania.
Afrocanthium siebenlistii is a species of flowering plant in the family Rubiaceae. It is endemic to Tanzania, found only in the Usambara and Uzungwa Mountains.
Psydrax suborbicularis is a species of flowering plant in the family Rubiaceae. It is endemic to Papua New Guinea.
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.
Psydrax is a genus of flowering plants in the family Rubiaceae. It consists of trees, shrubs, and a few lianas in the paleotropics.
Vangueria schliebenii is a species of flowering plant in the family Rubiaceae. It is endemic to Tanzania.
Vanguerieae is a tribe of flowering plants in the family Rubiaceae and contains about 655 species in 30 genera. It is one of the most species-rich groups within the family and it is distributed all over the Paleotropics.
Afrocanthium is a genus of flowering plants in the family Rubiaceae. It consists of deciduous, unarmed trees, and shrubs. They are native to East Africa, from Sudan and Ethiopia to South Africa.
Plectroniella is a monotypic genus of flowering plants in the family Rubiaceae. It was described by Walter Robyns in 1928. The genus contains only one species, i.e. Plectroniella armata, which is found in southern Mozambique and northeastern South Africa. The species is characterized by the presence of large spines and is morphologically similar to Canthium. In 2004, a molecular phylogenetic study showed that Plectroniella armata is related to Canthium ciliatum and the transfer of the genus to Canthium was suggested.
Meyna is a genus of flowering plants in the family Rubiaceae.
Fadogiella is a small genus of flowering plants in the family Rubiaceae. It was described by Walter Robyns in 1928.
Ancylanthos was a genus of flowering plants in the family Rubiaceae but is no longer recognized. It was originally described by René Louiche Desfontaines in 1818. In 2005, it was sunk into synonymy with Vangueria, based on a phylogenetic study of DNA sequences.
Retiniphyllum is a genus of flowering plants in the family Rubiaceae and contains 20 species. It is the only genus in the tribe Retiniphylleae. The representatives are shrubs or small trees that grow in white sand soils in tropical South America. They are mainly distributed in the Guayana Region (Venezuela) but also occur in the Amazon Basin, the eastern Andes and central and eastern Brasil.
Ixoroideae is a subfamily of flowering plants in the family Rubiaceae and contains about 4000 species in 27 tribes.
Kanapia is a genus of flowering plants in the family Rubiaceae. The genus is endemic to the Philippines. It was described when two former Canthium species were transferred to this new genus.
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