The white grape comes from the Vinho Verde border area Portugal and Galicia in Spain, Synonyms are Alvarinho, Caíño Branco, Cainho de Moreira and Caíño de Moreira. The variety was first mentioned in 1772. Carried out in 2011 DNA analysis have shown that the variety comes from a (most likely natural) cross between Caíño Bravo ( Amaral ) x Albariño ( Alvarinho ) has arisen. That is why there has often been confusion between these three varieties in the past. The late-ripening vine is susceptible to the real and the wrong mildew, It produces acidic, alcohol-rich white wines mineral clay, which are mostly used in combination with the Albariño variety. The vine is in Galicia in the two DO areas Monterrei and Rias Baixas authorized. In 2010 it occupied 121 hectares of vineyards in Spain.
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012