Synonym for the grape variety Invernenga; see there.
The white grape variety originates from Italy. Synonyms are Invernenga Bresciana, Imbrunesca, Invernesca, Pergola, Pergolese and Ua'mbrunesca. It was first mentioned in 1826 as one of the most commonly grown varieties around Brescia in Lombardy. The name probably derives from "Inverno" (winter) because the grapes were dried in winter and later prepared...
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Andreas Essl
Autor, Modena