There are two different white grape varieties with this name:
1) New breed between Riesling x unknown variety published according to 2012 DNA analysis, The parenting specified in the breeding list ( Rieslaner x greener Sylvaner x Müller-Thurgau it turned out to be wrong. Synonyms are Gloriosa and Würzburg B 55-8-53. The crossing took place in 1955 by Dr. med. Hans Breider (1908-2000) at the State Institute of Viticulture in Würzburg, The variety protection took place in 1980. In 2010, no stocks were reported (Statistics Kym Anderson ).
2) New breed between Pedro Ximénez x Palomino; the name refers to the Spanish "wine jug". The crossing took place in Spain, where it is grown exclusively. With the same parents is also the new breed Pajolera emerged. No stocks were reported in 2010 (Kym Anderson ).
Pictures: Ursula Bruehl, Doris Schneider, Julius Kühn Institute (JKI)