The red grape variety comes from Slovenia
. Synonyms are Glass Black, Moravita, Morillon de Champagne and Black Champagne. According to DNA analyses
it is a cross between Blue Silvaner
. It was described under this name in 1841 by the Styrian ampelographer Franz Xaver Trummer
(1800-1858). As black champagne the variety grew near Friedolsheim in Alsace, where it was the main ingredient of the famous red wines of Kallstadt. The vine was already considered extinct or lost until a single vine was discovered in 2007 in the Steigerwald. This vine is in the mixed set of Peter Götz in the Zeller Schlossberg in Upper Franconia.