The red grape variety probably originates from Portugal. Synonyms grouped alphabetically by country are Mourisco Preto (Australia); Lagrima Noir (France); Marufa, Mourisco, Mourisco du Douro, Mourisco Preto, Mourisco Tinto, Olho de Rei, Tinta do Caramelo, Tinta Grossa, Trujidera (Portugal); Barrete de Padre, Brujidera, Brujidero, Brujigero, Crujidera, Crujideiro, Crujidero di Spagna, Moravia Dulce, Morisco Tinto, Rucial, Uva de Rei, Uva Rei, Vigorosa (Spain). Despite seemingly suggestive synonyms or morphological similarities, it must not be confused with the varieties Carrega Tinto, Grossa and Tinta Barroca (all with synonym Tinta Grossa) or Moravia Agria. It was a parent of the varieties Coloraillo, Donzelinho Roxo, Mourisco de Semente, Preto Martinho, Tinta Barroca, Tinta da Barca and Touriga Franca. It is an all-female grape variety.