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Type: Article
Published: 2016-08-03
Page range: 69–89
Abstract views: 19
PDF downloaded: 1

Edraianthus stankovicii (Campanulaceae), an overlooked taxon from the Balkan Peninsula—Evidence from morphometric, molecular and genome size studies

Institute of Botany and Botanical Garden Jevremovac, Faculty of Biology, University of Belgrade, Takovska 43, 11000 Belgrade, Serbia.
Department of Biology, University of Toronto Mississauga, 3359 Mississauga Rd., Mississauga, Ontario L5L 1C6, Canada.
Ecologie Systématique Evolution, Univ. Paris-Sud, CNRS, AgroParisTech, Université Paris-Saclay, 91400, Orsay, France.
Institute of Botany and Botanical Garden Jevremovac, Faculty of Biology, University of Belgrade, Takovska 43, 11000 Belgrade, Serbia.
Institute of Botany and Botanical Garden Jevremovac, Faculty of Biology, University of Belgrade, Takovska 43, 11000 Belgrade, Serbia.
Faculty of Mathematics, Natural Sciences and Information Technologies, University of Primorska, Glagoljaška 8, SI-6000 Koper, Slovenia. Natural History Museum Rijeka, Lorenzov prolaz 1, 51000 Rijeka, Croatia.
AFLP Balkan Peninsula Edraianthus endemic taxa genome size morphometry nomenclature plastid and nuclear sequences Eudicots

Abstract

The taxonomically intricate Edraianthus dalmaticus-serbicus group within E. tenuifolius-complex in the Balkan Peninsula is reviewed using morphological, molecular and genome size data based on extensive sampling of populations across the species’ range. The phylogenetic analyses based on Amplified Fragment Length Polymorphisms (AFLPs), plastid DNA (trnL-F region and rbcL-atpB spacer) and nuclear ribosomal external transcribed spacer (nrETS) sequences confirmed the monophyly of E. serbicus as traditionally defined but have also revealed the presence of two distinct and allopatrically distributed taxa. The genome size and morphological analyses, performed on the same widespread sample of populations, largely corresponded with molecular results, allowing us to raise the overlooked taxon E. serbicus subsp. stankovici, to the species level. The names Edraianthus serbicus and E. serbicus subsp. stankovicii (≡ E. stankovicii) are typified. Furthermore, a new differential diagnosis, description and illustration of E. stankovicii are provided, as well as its conservation status is assessed. Edraianthus stankovicii is a rare and critically endangered stenoendemic taxon, with the distribution limited only to Mts. Veliki Krš and Stol in NE Serbia.