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