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Issue: Vol. 568 No. 3: 18 October 2022
Type: Article
Published: 2022-10-18
DOI: 10.11646/phytotaxa.568.3.1
Page range: 241-254
Abstract views: 54
PDF downloaded: 114

Rubus violaceifrons (Rosaceae), a new bramble species from Bohemia (Central Europe, Czech Republic)

Frýdlantská 22, 182 00 Praha 8-Kobylisy, Czech Republic
Palacký University, Faculty of Science, Department of Botany, Šlechtitelů 27, 783 71 Olomouc, Czech Republic
Silva Tarouca Research Institute for Landscape and Ornamental Gardening, Publ. Res. Inst., Květnové náměstí 391, 252 43 Průhonice, Czech Republic
apomictic taxa batology ploidy level taxonomy Eudicots

Abstract

Rubus violaceifrons, a new species from central and north-eastern Bohemia (Czech Republic) is described and illustrated, and its distribution is characterized in detail. We classify it as a member of the series Pallidi of the subgenus Rubus, section Rubus and subsection Hiemales, although its weak specimens partly resemble R. guentheri from ser. Glandulosi. Like all species of R. ser. Pallidi studied so far, R. violaceifrons is tetraploid, as determined using flow cytometry. A detailed morphological comparison of the new bramble species with similar taxa is presented. A determination key including all taxa of the R. ser. Pallidi occurring in the Czech Republic is provided.

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