The red grape variety comes from Portugal, Synonyms are Grossa, Tinta Grossa and Tinta Grossa d'Alentejo. In spite of morphological Similarities or the apparently indicative synonym not with the varieties Grossa. Marufo or Tinta Barroca be confused (all with the synonym Tinta Grossa). According to in 2013 DNA analysis it comes from a presumably natural cross between To lift x Alfrocheiro, However, this is based on only 20 DNA markers (see under molecular Genetics ). The variety is from a cross between Marufo x Carrega Tinto Preto Martinho emerged. The variety is in the range Tras-os-Montes grown. In 2010, 17 hectares of vineyards were designated (Kym Anderson ).