The white grape variety originates from Romania. The name means "fat grape of Cotnari" and the Hungarian name Kövérszőlő means "fat grape", which refers to the large berries. Synonyms grouped alphabetically by country are Dicktraube, Resser, Ressertraube, Sicktraube (Austria); Armas, El Grasz, Gras, Grasz, Grasă, Grasă Crocantă, Grasă de Cotnar, Grasă di Cotnari, Grasă Galbena, Grasă Mare, Grasă Mică, Grasă Verde, Grassa Mare, Grassa Mica, Poamă Grasă, Som (Romania); Bajor, Fehér Kövérszőlő, Fehérszőlő, Fejérszőlő, Furmint, Kövérszőlő, Pataki (Hungary).

This very old variety is probably identical to the Fehérszölö mentioned in the Tokaji region. The ampelographer Hermann Goethe (1837-1911) mentioned it as early as 1876 under Kövér Szöllö and named Transylvania as its origin.
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