The white grape comes from France, The name means "fat" and refers to the oily one viscosity of the must. Synonyms are Blanquette Grise, Chalosse, Cholosse, Clairette Égreneuse, Grass, Gras Blanc, Grèce Blanche, Gros blanc Plant de Graisse, Plant de Grèce, President, Ramassou Blanc and Tizourine Bou-Afrara. According to done in 2004 DNA analysis it is one of the many direct descendants of the variety Gouais blanc, The late ripening variety is prone to Botrytis, It produces simple white wines with strong acidity, which are good for the production of Armagnac suitable. The variety is in the department of Gers 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 reported (Statistics Kym Anderson ).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012