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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Lamiids
Ordo: Gentianales

Familia: Rubiaceae
Subfamilia: Ixoroideae
Tribus: Vanguerieae
Genus: Afrocanthium
Species: A. burttii – A. gilfillanii – A. keniense – A. kilifiense – A. lactescens – A. mundianum – A. ngonii – A. parasiebenlistii – A. peteri – A. pseudorandii – A. pseudoverticillatum – A. racemulosum – A. rondoense – A. salubenii – A. shabanii – A. siebenlistii – A. vollesenii
Name

Afrocanthium (Bridson) Lantz & B.Bremer, Bot. J. Linn. Soc. 146: 278. (2004)

Type species: Afrocanthium lactescens (Hiern) Lantz, Bot. J. Linn. Soc. 146: 278. (2004)

Synonyms

Basionym
Canthium subgen. Afrocanthium Bridson, Fl. Trop. E. Africa, Rubiaceae 3: 864. (1991)

Distribution
Native distribution areas:

Africa
West-Central Tropical Africa
Burundi, Rwanda, Zaïre.
Northeast Tropical Africa
Ethiopia, Somalia, Sudan.
East Tropical Africa
Kenya, Tanzania, Uganda.
South Tropical Africa
Angola, Malawi, Mozambique, Zambia, Zimbabwe.
Southern Africa
Botswana, Cape Provinces, KwaZulu-Natal, Swaziland, Northern Provinces.

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
References

Lantz, H. & Bremer, B. 2004. Phylogeny inferred from morphology and DNA data: characterizing well-supported groups in Vanguerieae (Rubiaceae). Botanical Journal of the Linnean Society 146(3): 257-283. DOI: 10.1111/j.1095-8339.2004.00338.x PDF Reference page.
Govaerts, R. et al. 2019. Afrocanthium in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2019 Apr. 6. Reference page.
International Plant Names Index. 2016. Afrocanthium. Published online. Accessed: Apr. 6 2016.

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.[1]

Taxonomy

Afrocanthium was first recognized as a distinct group in 1991, when it was named as a subgenus of Canthium.[2] It was described and compared to the other subgenera in 1992.[1] In 2004, a molecular phylogenetic study of DNA sequences showed that Afrocanthium is monophyletic and not most closely related to the other subgenera of Canthium.[3] The authors of this study raised Afrocanthium, unaltered, to generic status. It is sister to Keetia, a genus that was segregated from Canthium in 1986.[4]
Species

Afrocanthium burttii (Bullock) Lantz
Afrocanthium gilfillanii (N.E.Br.) Lantz
Afrocanthium keniense (Bullock) Lantz
Afrocanthium kilifiense (Bridson) Lantz
Afrocanthium lactescens (Hiern) Lantz
Afrocanthium mundianum (Cham. & Schltdl.) Lantz
Afrocanthium ngonii (Bridson) Lantz
Afrocanthium parasiebenlistii (Bridson) Lantz
Afrocanthium peteri (Bridson) Lantz
Afrocanthium pseudorandii (Bridson) Lantz
Afrocanthium pseudoverticillatum (S.Moore) Lantz
Afrocanthium racemulosum (S.Moore) Lantz
Afrocanthium rondoense (Bridson) Lantz
Afrocanthium salubenii (Bridson) Lantz
Afrocanthium shabanii (Bridson) Lantz
Afrocanthium siebenlistii (K.Krause) Lantz
Afrocanthium vollesenii (Bridson) Lantz

References

Bridson DM (1992). "The genus Canthium (Rubiaceae - Vanguerieae) in tropical Africa". Kew Bulletin. 47 (3): 353–401. doi:10.2307/4110569. JSTOR 4110569.
Verdcourt B, Bridson DM (1991). "Rubiaceae". In Polhill RM (ed.). Flora of Tropical East Africa (3 ed.). Rotterdam/Brookfield: AA Balkema. p. 864.
Lantz H, Bremer B (2004). "Phylogeny inferred from morphology and DNA data: characterizing well-supported groups in Vanguerieae (Rubiaceae)". Botanical Journal of the Linnean Society. 146 (3): 257–283. doi:10.1111/j.1095-8339.2004.00338.x.
Bridson DM (1986). "The reinstatement of the African genus Keetia (Rubiaceae subfam. Cinchonoideae tribe Vanguerieae)". Kew Bulletin. 41 (4): 965–994. doi:10.2307/4102996. JSTOR 4102996.

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