Dureza is a dark-skinned grape variety from the Ardèche region in France that has all but disappeared from the vineyards, and the preservation of such varieties is a speciality of Montpellier.
DUREZA: Variety reported as native to the Ardèche region of France. Recent DNA analysis has shown that it is possibly one of the parents, the other parent posited as Mondeuse, of the classic Syrah variety. (No other details as yet).
a Duriff, Dureza). Minor grape grown in France, California and Australia. A recent DNA analysis report (Meredith C.P., et al., "Am. J. Enol. Vitic.
The study proved that the grape had originated in the vicinity of the Northern Rhõne valley of France, as the result of a cross of the "Dureza" and "Mondeuse Blanche" grape varieties.
Recent DNA tests conducted in France have shown the grapes Dureza and Mondeuse Blanche to be the parents of: Syrah.
For the first time in history, the top 10 wines in Britian this year do not include wines from: France.
University of California at Davis and the French National Agronomy Archives in Montpellier proved syrah is indeed indigenous to France. DNA profiling proved syrah to be a genetic cross of two relatively obscure varieties, mondeuse blanc and dureza.
 See also: Syrah, Vineyard, Grape, Fruit, Variety
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