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Edraianthus × lakusicii (Campanulaceae) a new intersectional natural hybrid: morphological and molecular evidence

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Abstract

The genus Edraianthus A.DC. has a center of distribution in the Balkans and it is one of the most prominent groups of endemic plants in this region. During our recent fieldtrip to Mt. Lovćen (Montenegro), putative hybrid individuals were encountered, morphologically intermediate between two sympatric taxa, E. tenuifolius (E. sect. Edraianthus) and E. wettsteinii subsp. lovcenicus (E. sect. Uniflori). Multivariate morphometric and molecular analyses were carried out to investigate the occurrence of hybridization between these two species. As a result, a new nothospecies is described here, Edraianthus × lakusicii V. Stevanović & D. Lakušić, a natural hybrid between E. tenuifolius and E. wettsteinii subsp. lovcenicus. At present, this hybrid is known only from the single locality of Mt. Lovćen. Its population size is estimated to be <50 mature individuals and the estimated “area of occupancy” is smaller than 1 km2.

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Acknowledgments

We thank Gordana Kasom and Zlatko Bulić (Institute for Nature Protection, Podgorica, Montenegro) for their help in the field investigation; Maria Kuzmina (Department of Biology, University of Toronto, Mississauga, Canada) and Peter Schönswetter and Gerald Schneeweiss (Department of Biogeography and Botanical Garden, Faculty Centre Botany, University of Vienna, Austria) for their help with sequencing, AFLP fingerprinting and for molecular analyses; Sonja Šiljak-Jakovljev, Olivier Catrice (Department of Biodiversity, Systematics and Evolution, University of Paris-Sud, France) & Maja Tomašević (Faculty of Biology, University of Belgrade, Serbia) for their kind cession of the part of their unpublished data about genome size of genus Edraianthus. Critical comments from Karol Marhold as well as anonymous reviewers further improved the presentation of our results. Investigation was supported by grants of: Ministry for Sciences and Natural Protection of Serbia (No. 143015), European Union (Marie Curie Grant MEIF-CT-2005-024315), as well as by the NSERC of Canada grant 326439-06 to Saša Stefanović.

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Authors and Affiliations

  1. Institute of Botany and Botanical Garden Faculty of Biology, University of Belgrade, Takovska 43, 11000, Belgrade, Serbia

    Dmitar Lakušić, Tamara Rakić & Vladimir Stevanović

  2. Department of Biology, University of Toronto at Mississauga, Mississauga, ON, L5L 1C6, Canada

    Saša Stefanović

  3. Department of Biogeography and Botanical Garden, Institute of Botany, University of Vienna, Rennweg 14, 1030, Vienna, Austria

    Boštjan Surina

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  1. Dmitar Lakušić
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  2. Tamara Rakić
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  5. Vladimir Stevanović
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Correspondence to Dmitar Lakušić.

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Lakušić, D., Rakić, T., Stefanović, S. et al. Edraianthus × lakusicii (Campanulaceae) a new intersectional natural hybrid: morphological and molecular evidence. Plant Syst Evol 280, 77–88 (2009). https://doi.org/10.1007/s00606-009-0168-6

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