Phylogenetic relationships of Petrocoptis A. Braun ex Endl. (Caryophyllaceae), a discussed genus from the Iberian Peninsula Journal Article


Author(s): Cires, Eduardo; Prieto, José A
Article Title: Phylogenetic relationships of Petrocoptis A. Braun ex Endl. (Caryophyllaceae), a discussed genus from the Iberian Peninsula
Affiliation IST Austria
Abstract: Petrocoptis is a small genus of chasmophytic plants endemic to the Iberian Peninsula, with some localized populations in the French Pyrenees. Within the genus, a dozen species have been recognized based on morphological diversity, most of them with limited distribution area, in small populations and frequently with potential threats to their survival. To date, however, a molecular evaluation of the current systematic treatments has not been carried out. The aim of the present study is to infer phylogenetic relationships among its subordinate taxa by using plastidial rps16 intron and nuclear internal transcribed spacer (ITS) DNA sequences; and evaluate the phylogenetic placement of the genus Petrocoptis within the family Caryophyllaceae. The monophyly of Petrocoptis is supported by both ITS and rps16 intron sequence analyses. Furthermore, time estimates using BEAST analyses indicate a Middle to Late Miocene diversification (10.59 Myr, 6.44–15.26 Myr highest posterior densities [HPD], for ITS; 14.30 Myr, 8.61–21.00 Myr HPD, for rps16 intron).
Keywords: Phylogeny; BEAST; Iberian Peninsula; ITS; Petrocoptis; rps16 intron
Journal Title: Journal of Plant Research
Volume: 128
Issue 2
ISSN: 09189440
Publisher: Springer  
Date Published: 2015-01-24
Start Page: 223
End Page: 238
DOI: 10.1007/s10265-014-0691-6
Notes: The authors thank René Pérez for laboratory assistance. We would like to thank Álvaro Bueno, Candela Cuesta, Daniel Goñi, Francisco Javier Fernández Casas, Itziar García, Javier Loidi, José Luis Benito, Juan Antonio Campos, Mercedes Herrera and Miren Idoia Biurrun for their help and critical reading of the manuscript.
Open access: no