The red variety comes from France, Synonyms include Caiño Redondo, Camarau, Espadeiro, Multicolored Camarau, Kamarau, Moustardet and Plant Sauvage. The variety was first introduced by Victor Vermorel (1848-1927) and Pierre Viala (1859-1936) mentioned in her 1909 published work "Ampélographie". The parentage is unknown. She is not allowed with the Portuguese variety Espadeiro However, it is identical to the Spanish-grown Caiño Redondo (also known as Espadeiro). According to DNA analysis There is a close relationship to the varieties arrouya noir and Penouille, as well as a parenting for the variety Castets, It is not a color mutation the white species Camaraou Blanc,
The late-ripening vine is traditionally raised on trees. It provides very simple red wines. The variety is in Southwest France in the fields of Béarn and Jurançon grown in small quantities, but no stock was reported in 2010. In Spain In 2010, under the name Espadeiro, it was mainly in the field Rías Baixas a stock with 232 hectares of vineyards (Statistics Kym Anderson ). In his opinion, it is most likely but the variety Camarou Noir.
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012