Bia blanc blanche, Peloursin, Servanin and Verdesse. Over the years, Bia blanc has been known under a variety of synonyms including: Bear, Beard and Biard. Bia blanc Bia blanc is a white French wine grape variety that is no longer commercially cultivated for wine production with only a few plantings existing worldwide in viticultural archives and experimental vineyards. The exact origins of Bia blanc are not yet known though ampelographers have noted that the grapevine shares some morphological similarities to the red Isère grape Peloursin, one of the parent varieties to Petite Sirah (Durif). In the 20th century, ampelographers Louis Levadoux and
Durif not be consigned to jug wine when he blended small portions into his reserve Cabernet Sauvignon. Since 2002 Assaf Paz enologist and co-owner at Vitkin Winery is consistently producing a single-varietal Petite Sirah as a high end wine sourced from the oldest Petite Sirah vineyard in Israel. Seeing that Israeli "terroir" could grow great Petite Sirah, wineries such as Lewis Pasco the founding winemaker at Recanati followed suit with a Petite Sirah/Zinfandel blend, while others like Sea Horse, Carmel and Tishbi have made single-varietal Petite Sirah in addition to using it for blending. Petite Sirah is sometimes mistakenly spelled "Petite