The white grape variety comes from Croatia, Synonyms are Ariavina, Brjavina, Imbrina, Königstraube, Kraljevina Crvena, Moravina, Ohainer and Roter Portugieser. The name means "Kingdom" or "Red Kingdom". It used to be called Roter Portugieser Styria (Austria) represented. Despite the synonym, it is not with the variety Blue Portuguese related. The late-ripening vine is susceptible to Botrytis, There are varieties in white, green, reddish and speckled. It produces fresh white wines with low alcohol but high acidity and a neutral taste. The variety is in Croatia grown around Zagreb and occupies 268 hectares here. In Slovenia it is part of the wines Belokranjec and cviček and is grown here on 179 hectares. In 2010 a total of 447 hectares of vineyards were reported (Statistics Kym Anderson ).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012