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      A new record of critically endangered Saussurea bogedaensis (Asteraceae) from Dzungarian Gobi, Mongolia

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          Abstract

          A species in the family Asteraceae , Saussurea bogedaensis , was newly described from Bogeda Mountain in Xinjiang, China and is a critically endangered species in China. Morphological and genetic characteristics confirm the presence of this species in Mongolia, as it was found in Baitag Bogd Mountain (in the Dzungarian Gobi). In addition, the distribution and conservation status of S. bogedaensis are provided.

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          Most cited references 15

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          MRBAYES: Bayesian inference of phylogenetic trees.

          The program MRBAYES performs Bayesian inference of phylogeny using a variant of Markov chain Monte Carlo. MRBAYES, including the source code, documentation, sample data files, and an executable, is available at http://brahms.biology.rochester.edu/software.html.
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            Chloroplast DNA phylogeny, reticulate evolution, and biogeography of Paeonia (Paeoniaceae).

            The coding region of the mat K gene and two intergenic spacers, psb A-trn H and trn L(UAA)-trn F(GAA), of cpDNA were sequenced to study phylogenetic relationships of 32 Paeonia species. In the psb A-trn H intergenic spacer, short sequences bordered by long inverted repeats have undergone inversions that are often homoplasious mutations. Insertions/deletions found in the two intergenic spacers, mostly resulting from slipped-strand mispairing, provided relatively reliable phylogenetic information. The mat K coding region, evolving more rapidly than the trnL-trn F spacer and more slowly than the psb A-trn H spacer, produced the best resolved phylogenetic tree. The mat K phylogeny was compared with the phylogeny obtained from sequences of internal transcribed spacers (ITS) of nuclear ribosomal DNA. A refined hypothesis of species phylogeny of section Paeonia was proposed by considering the discordance between the nuclear and cpDNA phylogenies to be results of hybrid speciation followed by inheritance of cpDNA of one parent and fixation of ITS sequences of another parent. The Eurasian and western North American disjunct distribution of the genus may have resulted from interrruption of the continuous distribution of ancestral populations of extant peony species across the Bering land bridge during the Miocene. Pleistocene glaciation may have played an important role in triggering extensive reticulate evolution within section Paeonia and shifting distributional ranges of both parental and hybrid species.
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              Phylogenetics of Seed Plants: An Analysis of Nucleotide Sequences from the Plastid Gene rbcL

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                Author and article information

                Contributors
                Journal
                PhytoKeys
                PhytoKeys
                3
                urn:lsid:arphahub.com:pub:F7FCE910-8E78-573F-9C77-7788555F8AAD
                PhytoKeys
                Pensoft Publishers
                1314-2011
                1314-2003
                2020
                08 September 2020
                : 160
                : 109-121
                Affiliations
                [1 ] Department of Biology and Chemistry, Changwon National University, Changwon 51140, South Korea Changwon National University Changwon South Korea
                [2 ] Department of Biology, School of Arts and Science, National University of Mongolia, Ulaanbaatar 14201, Mongolia National University of Mongolia Ulaanbaatar Mongolia
                [3 ] Department of Botany, Senckenberg Museum of Natural History Görlitz, D-02826, Görlitz, Germany Senckenberg Museum of Natural History Görlitz Germany
                Author notes
                Corresponding author: Hyoek Jae Choi ( hjchoi1975@ 123456changwon.ac.kr )

                Academic editor: A. Sukhorukov

                Article
                55603
                10.3897/phytokeys.160.55603
                7492186
                Shukherdorj Baasanmunkh, Nudkhuu Nyamgerel, Gun-Aajav Bayarmaa, Batlai Oyuntsetseg, Khurelpurev Oyundelger, Hyeok Jae Choi

                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.

                Categories
                Short Communication
                Asteraceae
                Taxonomy
                Cenozoic
                Asia

                Plant science & Botany

                plantae, asteraceae , saussurea , mongolia, distribution, conservation status

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