Oberprieler, Christoph and Vogt, Robert (2000) The position of Castrilanthemum Vogt & Oberprieler and the phylogeny of Mediterranean Anthemideae (Compositae) as inferred from nrDNA ITS and cpDNA trnL/trnF IGS sequence variation. Plant Systematics and Evolution 225 (1-4), pp. 145-170.
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Sequences of the nrDNA internal transcribed spacer (ITS) region and the cpDNAtrnL/trnF intergenic spacer (IGS) region were analysed for 41 Mediterranean and Eurasian representatives of the Anthemideae (Compositae) to ascertain the systematic position of the unispecific genusCastrilanthemum Vogt & Oberprieler and to study the phylogeny of the Anthemideae in the Mediterranean region. Both markers consistently point to the close relationship ofCastrilanthemum with the W Mediterranean generaLeucanthemopsis (Giroux) Heywood andProlongoa Boiss., forming a strongly supported monophyletic group (theLeucanthemopsis-group which also comprises the unispecific genusHymenostemma (Kunze) Willk.). Results also demonstrate that subtribes Achilleinae, Leucantheminae, and Matricariinae sensu Bremer & Humphries are non-monophyletic. Besides results from sequence variation, a marked 5bp-deletion intrnL/trnF IGS divides all these subtribes into more basal subgroups which are related to each other and to the large Eurasian generaTanacetum L. andAnthemis L., and a monophyletic group of closely related and more advanced subgroups which also contain the monophyletic Chrysantheminae sensu Bremer & Humphries. For this second group a W Mediterranean centre of diversification is suggested, however, its sister-group relationships within the basal grade of generic groups remain unclear.
|Institutions:||Biology, Preclinical Medicine > Institut für Botanik / Zellbiologie > Group Plant Systematics and Evolution (Prof. Dr. Christoph Oberprieler)|
|Keywords:||Compositae - Asteraceae - Anthemideae - Castrilanthemum - molecular phylogeny - Mediterranean - ITS - trnL/trnF IGS|
|Subjects:||500 Science > 570 Life sciences|
|Created at the University of Regensburg:||Unknown|
|Deposited On:||24 Feb 2011 12:35|
|Last Modified:||24 Feb 2011 12:35|