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A PCR-based Genotyping Method to Distinguish Between Wild-type and Ornamental Varieties of Imperata cylindrica
Published on: February 20, 2012
The genus Deschampsia and the epithet " alpina"
Jorge O Chiapella1, Zhi-Qing Xue2, Josef Greimler2
1Instituto de Investigaciones en Biodiversidad y Medioambiente (INIBIOMA-CONICET-Universidad Nacional del Comahue), Quintral 1250, R8400FRF Bariloche, Río Negro, Argentina Universidad Nacional del Comahue Bariloche Argentina.
Abstract:
The epithet "alpina" has been recurrently used in the genus Deschampsia to name plants located in northern regions of Europe, Asia and North America, as a species (Deschampsiaalpina (L.) Roem. & Schult.), but also in infraspecific categories (Deschampsiacespitosasubsp.alpina Tzvel. and Deschampsiacespitosavar.alpina Schur.). The morphological and molecular available evidence suggests the existence of a single species, Deschampsiacespitosa (L.) P. Beauv., in which individuals belonging to the same morphological gradient have received different names in different taxonomic categories throughout its wide distribution range. An evaluation of the available names indicates that all uses of the epithet "alpina" are illegitimate. A new combination is proposed at the infraspecific level as Deschampsiacespitosasubsp.neoalpina Chiapella, Xue & Greimler.
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