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