The red grape variety comes from Italy, Synonyms are Crovaja, Cruaia, Cruaio, Cruara, Cruvaio, Gruaia, Gruaio and Gruajo. It was mentioned as early as the 18th century. Despite apparently suggestive synonyms or morphological It must not be similar to the varieties Raboso Piave or Raboso Veronese (Cruaia, Cruaio) can be confused. Carried out in 2008 DNA analysis showed a close relationship to the variety Negrara Veronese, The medium to late ripening vine needs a warm climate. It produces slightly bitter-tasting red wines with wild berry and maraschino cherry aromas. The almost extinct variety was cultivated in 1992 at the initiative of the institute Conegliano revived and in the province of Vicenza in Veneto replanted. In 2010, however, no stocks were reported (Kym Anderson ).
Source : Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012
Images : MIPAAF - National Vine Certification Service