The white grape variety (also Antonio Vaz) comes from Portugal, According to carried out in 2013 DNA analysis she is from a supposedly natural cross between Cayetana Blanca x João Domingos emerged. However, this is based on only 20 DNA markers (see under molecular Genetics ). The medium maturing vine is generally resistant to vine diseases and drought, It produces fresh white wines with balanced alcoholic acidity and tropical fruit aromas. The variety is mainly in the fields Alentejo. Estremadura and Península de Setúbal mostly used as a blend. The acreage in 2010 was 1,252 hectares with a strong upward trend (ten years earlier it was 376 hectares).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012