The red grape variety comes from the border area Italy / Switzerland, It is named after a place Eyholz. Synonyms are Eyholzer Red, Eyholzer Red, Gross Roth, Grossroter and Hibou Rouge. It may, despite seemingly suggestive synonyms or morphological Similarities do not match the varieties Avana (Hibou Noir), Gamay or Troyen (Gamay de Rolampont). The parenting was done by 2011 DNA analysis can not be clarified, but there were related relationships Vien de Nus from the neighboring one aosta Valley and Freisa from the Piedmont, In Switzerland, Eyholzer becomes a grape variety group Old plants counted. The late ripening vine produces an acidified white wine with strawberry aromas. It is grown on less than one hectare in the municipality of Visp in the Swiss canton Wallis traditional on pergolas behaved. In 2011, a vine at least 150 to 250 years old was found in the Valais town of Sion.
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012