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.
It should not be confused with the varieties Bonarda Piemontese, Hrvatica (same name meaning = Croatia), Nebbiolo or Uva Rara due to some synonyms and morphological similarities. Direct descendants are the varieties Ervi (new variety), as well as Bonardina and Ruchè (natural crosses).
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