Aragnan blanc is a white French wine

French wine

French wine is produced in several regions throughout France, in quantities between 50 and 60 million hectolitres per year, or 7–8 billion bottles. France has the world's second-largest total vineyard area, behind Spain, and is in the position of being the world's largest wine producer...

 grape variety found primarily in southeastern France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 where it is a permitted grape variety in the white wines of the Palette Appellation d'origine contrôlée

Appellation d'Origine Contrôlée

Appellation d’origine contrôlée , which translates as "controlled designation of origin", is the French certification granted to certain French geographical indications for wines, cheeses, butters, and other agricultural products, all under the auspices of the government bureau Institut National...

(AOC) near Provence. The French ampelographer Pierre Galet

Pierre Galet

Pierre Galet is a French ampelographer and author who was an influential figure within ampelography in the 20th century and before DNA typing was widely introduced...

 speculated that the variety may have originated from the Vaucluse

Vaucluse

The Vaucluse is a department in the southeast of France, named after the famous spring, the Fontaine-de-Vaucluse.- History :Vaucluse was created on 12 August 1793 out of parts of the departments of Bouches-du-Rhône, Drôme, and Basses-Alpes...

 area near the Rhone. Galet further speculated that it could be related (or even a white colored mutation) of the Oeillade variety which was historically grown as a table grape

Table grape

Table grapes are grapes intended for consumption while they are fresh, as opposed to grapes grown for wine production, juice production, or for drying into raisins....

 in the Rhone and itself likely related to Cinsaut

Cinsaut

Cinsaut or Cinsault is a red wine grape, whose heat tolerance and productivity make it important in Languedoc-Roussillon and the former French colonies of Algeria and Morocco...

.