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Phylogeny and biogeography of the African genus Virectaria Bremek. (Sabiceeae s.l., Ixoroideae, Rubiaceae)

Title data

Khan, Saleh Ahammad ; Razafimandimbison, Sylvain ; Bremer, Birgitta ; Liede-Schumann, Sigrid:
Phylogeny and biogeography of the African genus Virectaria Bremek. (Sabiceeae s.l., Ixoroideae, Rubiaceae).
In: Plant Systematics and Evolution. Vol. 275 (2008) Issue 1-2 . - pp. 43-58.
ISSN 0378-2697
DOI: https://doi.org/10.1007/s00606-008-0053-8

Abstract in another language

The phylogenetic relationships of the tropical African genus Virectaria with its associated genera within the tribe Sabiceeae s.l. (Ixoroideae and Rubiaceae) were inferred from the combined analysis of nuclear ITS and chloroplast rpoC1 and trnT-F nucleotide sequence data. Phylogenetic relationships within Virectaria were investigated using combined analyses of ETS (nrDNA), ITS, rpoC1 and trnT-F sequence data. The present analyses further show that Hekistocarpa is sister to the Tamridaea– Virectaria–Sabicea clade, Tamridaea and Virectaria are sister genera, and Sabicea s.l. is sister to the Tamridaea– Virectaria clade. Our results strongly support the monophyly of Virectaria and the sister-group relationships between V. multiflora and V. herbacoursi, V. angustifolia and V. procumbens, and V. major and V. belingana. Our analyses indicate a tropical African origin for Sabiceeae s.l., a long isolated evolution for Tamridaea and a wide range of dispersal of Virectaria species in the Lower-Guinean, Upper-Guinean and Congolian regions, without a clearly defined direction of migration.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER54163
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Plant Systematics
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Plant Systematics > Chair Plant Systematics - Univ.-Prof. Dr. Sigrid Liede-Schumann
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 14 Jul 2015 06:21
Last Modified: 14 Jul 2015 06:21
URI: https://eref.uni-bayreuth.de/id/eprint/16335