Number of the records: 1  

A cryptic taxon rather than a hybrid species of Tragopogon (Asteraceae) from the Czech Republic

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    SYSNO ASEP0436259
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleA cryptic taxon rather than a hybrid species of Tragopogon (Asteraceae) from the Czech Republic
    Author(s) Mavrodiev, E. V. (US)
    Krahulec, František (BU-J) RID, ORCID
    Soltis, D. E. (US)
    Soltis, P.S. (US)
    Number of authors4
    Source TitleKew Bulletin - ISSN 0075-5974
    Roč. 68, č. 1 (2013), s. 133-141
    Number of pages9 s.
    Languageeng - English
    CountryGB - United Kingdom
    KeywordsDNA-sequence polyformism ; nuclear ribosomal DNA ; miscellus Asteraceae ; evolution ; fertility
    Subject RIVEF - Botanics
    Institutional supportBU-J - RVO:67985939
    UT WOS000323896600006
    DOI https://doi.org/10.1007/s12225-012-9431-z
    AnnotationTragopogon xmirabilis Rouy is described as a diploid hybrid between T. porrifolius and T. pratensis. A population of T. xmirabilis from Central Bohemia, Czech Republic, was recently investigated and, unlike previous reports of T. xmirabilis, was found to be highly fertile. This fertile diploid hybrid population was considered to represent an alternative evolutionary pathway to polyploidy in Tragopogon. To determine the parentage of the plants from Bohemia, we investigated 12 samples of T. xmirabilis with ITS, ETS, LFY and plastid (rpL16 gene, intron 1, tRNA-Leu (trnL) gene, intron, trnL-trnF intergenic spacer, psbA-trnH intergenic spacer, and trnG-trnT intergenic spacer) sequence data. None of the Bohemian plants have sequences that are consistent with a hybrid origin between T. porrifolius (incl. T. australis) and T. pratensis. Our data suggest that this fertile population of "T. xmirabilis" may represent an unrecognised diploid species from the Angustissimi clade sensu Mavrodiev et al. (Int. J. Pl. Sci. 164: 1 - 19, 2005), a clade with a centre of distribution in the Caucasus, and hybrids of this unknown species with T. orientalis or T. hayekii (= T. orientalis L. var. hayekii Soo), a species closely related to T. pratensis and native to Bohemia. The Bohemian population of "Tragopogon xmirabilis" clearly requires more investigation, but based on our data it does not appear to represent T. porrifolius x T. pratensis.
    WorkplaceInstitute of Botany
    ContactMartina Bartošová, martina.bartosova@ibot.cas.cz, ibot@ibot.cas.cz, Tel.: 271 015 242 ; Marie Jakšová, marie.jaksova@ibot.cas.cz, Tel.: 384 721 156-8
    Year of Publishing2015
Number of the records: 1  

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