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Webbia
Journal of Plant Taxonomy and Geography
Volume 66, 2011 - Issue 1
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Original Articles

Intergeneric hybrid Festuca rubra × Vulpia myuros in Italy

L'ibrido intergenerico Festuca rubra x Vulpia myuros in Italia

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Pages 77-84 | Accepted 16 Dec 2010, Published online: 14 Apr 2013
 

Summary

A hybrid between Festuca rubra L. subsp. rubra and Vulpia myuros (L.) C.C. Gmel. (nothogenus xFestulpia) was found in N-Italy. This is the southernmost record of this nothogenus for Europe and the first for the Italian territory. The specimen is characterised by sterility and intermediate features between the parental species, both morphological and anatomical; among these, in our case, the transversal leaf blade section is the diagnostic and innovative one. No evident biometrical differences resulted from the comparison between the Italian specimen and the xFestulpia descriptions reported in the literature.

Viene segnalata la presenza di un ibrido tra Festuca rubra L. e Vulpia myuros (L.) C.C. Gmel. (nothogenus xFestulpia) nell'Italia settentrionale. Si tratta della segnalazione più meridionale di questo ibrido e la prima per la Flora d'Italia. Il materiale raccolto è caratterizzato da sterilità e caratteristiche intermedie tra le specie parentali, sia morfologiche che anatomiche; tra queste, nel presente caso, la sezione trasversale della lamina fogliare risulta elemento diagnostico innovativo. Non risultano evidenti differenze biometriche tra il materiale italiano e quello riportato in letteratura.

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