The white grape variety comes from the island Elba (Tuscany, Italy). Synonyms are Biancone ( Corsica ); Biancona, Corcesco, Gragnolato Blanco, Gragnolo Bianco, Grignola, Grignolino Bianco, Grignolo Bianco di San Colombano, Pagadebiti di Porto San Stefano and Uva Biancona ( Italy ). in the VIVC catalog will also be Besgano Bianco as a synonym, in Wine Grapes however, this variety is indicated as independent. It may, despite seemingly suggestive synonyms or morphological Similarities do not match the varieties Biancu Gentile or roller blind (both synonymous with Biancone) to be confused. About a possible relationship to the red variety Grignolino nothing is known. The late-ripening, high yielding vine yields simple, acidic white wines.
Named after Elba's capital, Portoferraio, Biancone di Portoferraio is certified in the DOC wine Elba. A variety called Biancone is in the north of the island Corsica grown around Bastia. It is unclear whether it is identical to the Elba variety; in the opinion of the French Ampelographen Pierre Galet (* 1921) this is not the case. In any case, according stems in 2007 DNA analysis the Corsican Biancone of a probably natural cross between Sciaccarello ( mammolo ) with an unknown partner. Therefore, there are family relationships to the varieties Caloria. Colombana Nera and Pollera Nera, In 2010, no stocks were designated as Biancone or Biancone di Portoferraio (Kym Anderson ).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012
Pictures: MIPAAF - National Vine Certification Service