The red grape variety comes from Portugal. Synonyms are Parreira Mathias and Parrilha. According to DNA analyses carried out in 2020, it is probably a natural cross between Alfrocheiro x Airén. However, this is based on only 21 DNA markers (see molecular genetics). The variety is grown in very small quantities in the Ribatejo region. In 2016 a scarce hectare was designated (statistics Kym Anderson).
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