The red grape variety originates from Italy. Synonyms are Bonarda, Bonarda di Gattinara, Bonarda di Rovescala, Bonarda Grossa, Bonarda Pignola, Crevatizza Rossa, Croata, Croatina Comune, Croato, Croattina, Crovattina, Crovattino, Crovattone, Crovettina, Crovettino, Fresia, Karbonera, Kroatina, Nebbiolo di Gattinara, Neretto, Spanna di Ghemme, Spanna-Nebbiolo, Uga del Zio, Uva delle Zia, Uva del Zio and Uva Vermiglia. Despite seemingly suggestive synonyms or morphological similarities, it should not be confused with the Bonarda Piemontese, Hrvatica, Nebbiolo or Uva Rara varieties. According to DNA analysis carried out in 1999, there is no relationship with the Croatian variety Hrvatica, despite the fact that the name has the same meaning. Croatina is a parent of the varieties Ervi (new variety), Bonardina and Ruchè (both natural crosses).
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