The white grape variety comes from France, The name means "fat" and refers to the oily viscosity of the must. Synonyms are Blanquette Grise, Chalosse, Cholosse, Clairette Égreneuse, Gras, Gras Blanc, Grèce Blanche, Gros Blanc, Plant de Graisse, Plant de Grèce, President, Ramassou Blanc and Tizourine Bou-Afrara. According to 2004 DNA analysis it is one of the many direct descendants of the variety Gouais Blanc, The late-ripening variety is susceptible to Botrytis, It produces simple white wines with strong acidity, which are good for the production of Armagnac suitable. The variety is grown in the Gers department in Southwest France grown. In the 1950s, it still occupied 2,700 hectares, but this stock has shrunk extremely. In 2010, only 14 hectares of vineyards were shown (Statistics Kym Anderson ).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012