The red grape variety comes from France. Synonyms are Duré, Duret, Durezza, Petit Duret, Petite Duret, Sérène and Sérine. It must not be confused with Durif (Duret, Dureza), Peloursin (Dureza) or Syrah (Sérine), even if the synonyms or morphological or name similarities seem to indicate this. According to DNA analyses carried out in 2006, although the origin of the variety is unknown, surprisingly it shares (unknown) parents with the northern Italian variety Teroldego, originating from Trentino. According to the Swiss biologist Dr. José Vouillamoz, Dureza and Teroldego are therefore "siblings" and probably grandchildren of Pinot. From a crossbreeding Mondeuse Blanche x Dureza the variety Syrah was developed. The medium to late-maturing, high-yielding vine produces colourful red wines. It is almost extinct, but gained late fame as the father variety of Syrah. The variety was formerly widespread in the Ardèche department west of the Rhône. In 2016, however, no more stocks were recorded (statistics Kym Anderson).
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