Craterispermum capitatum and C. gabonicum (Rubiaceae): two new species from the Lower Guinean and Congolian Domains

Abstract. Craterispermum capitatum and C. gabonicum, two new species of Rubiaceae, are described from the Lower Guinea and Congolian Domains. Detailed descriptions and distribution maps are provided for each species, their conservation status is assessed and their taxonomic affinities are discussed....

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Autores principales: Taedoumg, Herman, Sonke, Bonaventure, Hamon, Perla, Block, Petra De
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Pensoft Publishers 2017
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5624207/
https://www.ncbi.nlm.nih.gov/pubmed/29033652
http://dx.doi.org/10.3897/phytokeys.83.13623
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author Taedoumg, Herman
Sonke, Bonaventure
Hamon, Perla
Block, Petra De
author_facet Taedoumg, Herman
Sonke, Bonaventure
Hamon, Perla
Block, Petra De
author_sort Taedoumg, Herman
collection PubMed
description Abstract. Craterispermum capitatum and C. gabonicum, two new species of Rubiaceae, are described from the Lower Guinea and Congolian Domains. Detailed descriptions and distribution maps are provided for each species, their conservation status is assessed and their taxonomic affinities are discussed. Craterispermum gabonicum is unique within the genus because of the strong dimorphism in brevistylous and longistylous flowers and inflorescences. We hypothesize that this species shows some form of dioecy. The distribution of C. capitatum shows a wide disjunction: the species is present in the Lower Guinean and Congolian Domains but absent from Gabon and South Cameroon. An identification key for the Craterispermum species present in the Lower Guinean and Congolian Domains is given.
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spelling pubmed-56242072017-10-13 Craterispermum capitatum and C. gabonicum (Rubiaceae): two new species from the Lower Guinean and Congolian Domains Taedoumg, Herman Sonke, Bonaventure Hamon, Perla Block, Petra De PhytoKeys Research Article Abstract. Craterispermum capitatum and C. gabonicum, two new species of Rubiaceae, are described from the Lower Guinea and Congolian Domains. Detailed descriptions and distribution maps are provided for each species, their conservation status is assessed and their taxonomic affinities are discussed. Craterispermum gabonicum is unique within the genus because of the strong dimorphism in brevistylous and longistylous flowers and inflorescences. We hypothesize that this species shows some form of dioecy. The distribution of C. capitatum shows a wide disjunction: the species is present in the Lower Guinean and Congolian Domains but absent from Gabon and South Cameroon. An identification key for the Craterispermum species present in the Lower Guinean and Congolian Domains is given. Pensoft Publishers 2017-07-21 /pmc/articles/PMC5624207/ /pubmed/29033652 http://dx.doi.org/10.3897/phytokeys.83.13623 Text en Herman Taedoumg, Bonaventure Sonke, Perla Hamon, Petra De Block http://creativecommons.org/licenses/by/4.0 This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Research Article
Taedoumg, Herman
Sonke, Bonaventure
Hamon, Perla
Block, Petra De
Craterispermum capitatum and C. gabonicum (Rubiaceae): two new species from the Lower Guinean and Congolian Domains
title Craterispermum capitatum and C. gabonicum (Rubiaceae): two new species from the Lower Guinean and Congolian Domains
title_full Craterispermum capitatum and C. gabonicum (Rubiaceae): two new species from the Lower Guinean and Congolian Domains
title_fullStr Craterispermum capitatum and C. gabonicum (Rubiaceae): two new species from the Lower Guinean and Congolian Domains
title_full_unstemmed Craterispermum capitatum and C. gabonicum (Rubiaceae): two new species from the Lower Guinean and Congolian Domains
title_short Craterispermum capitatum and C. gabonicum (Rubiaceae): two new species from the Lower Guinean and Congolian Domains
title_sort craterispermum capitatum and c. gabonicum (rubiaceae): two new species from the lower guinean and congolian domains
topic Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5624207/
https://www.ncbi.nlm.nih.gov/pubmed/29033652
http://dx.doi.org/10.3897/phytokeys.83.13623
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AT hamonperla craterispermumcapitatumandcgabonicumrubiaceaetwonewspeciesfromthelowerguineanandcongoliandomains
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