The white grape comes from Croatia, Synonyms are Kojundzusa, Kujundzusa Bela, Kujundzusa Bijela, Kujundzusa Zuta, Tvrdac, Zutac and Zutka. It is allowed on reason morphological Similarities not with the variety Škrlet be confused. The parentage is unknown. The medium to late ripening vine is quite resistant to vine diseases. It produces rather liquor white wines. The variety is mainly in the area Imotski in the Dalmatian hinterland near the border with Bosnia Herzegovina grown. The acreage in 2010 was 206 hectares (Statistics Kym Anderson ).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012