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Ceropegia (Apocynaceae, Ceropegieae, Stapelinae) : Paraphyletic but still taxonomically sound

Title data

Meve, Ulrich ; Liede-Schumann, Sigrid:
Ceropegia (Apocynaceae, Ceropegieae, Stapelinae) : Paraphyletic but still taxonomically sound.
In: Annals of the Missouri Botanical Garden. Vol. 94 (2007) Issue 2 . - pp. 392-406.
ISSN 0026-6493
DOI: https://doi.org/10.3417/0026-6493(2007)94[392:CACSPB]2.0.CO;2

Abstract in another language

Even though the species-rich genus Ceropegia L. (Apocynaceae, Ceropegieae) is convincingly characterized by its pitfall flowers, investigation of non-coding markers of chloroplast DNA (cpDNA) (trnT-L and trnL-F spacers and the trnL intron) and nuclear ribosomal DNA (nrDNA) (ITS) has shown that Ceropegia is twice paraphyletic. The 36 analyzed Ceropegia taxa scatter over a grade of seven clades. One clade is shared by Ceropegia and all Brachystelma R. Br. species investigated, making Ceropegia (without Brachystelma) paraphyletic. All endemic Madagascan Ceropegia taxa investigated and the East African C.robynsiana Werderm. share a terminal, but not further-resolved clade with the stapeliads. Thus, again, Ceropegia without the stapeliads is paraphyletic. These results are incongruent with current taxonomy. In the absence of adequate morphological, anatomical, or karyological characters supporting a taxonomic reclassification of the genus in accordance with the retrieved clades of the phylogenetic analysis, it is proposed that the current taxonomy be maintained.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER53031
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/16396