Spanish for ungrafted vine. There are at least 250,000 ha of ungrafted vineyards in castilla-la mancha alone, so this is hardly a rarity in Spain, but only a handful of producers such as Casa Castillo of jumilla use the term, or โP.F.โ, on labels. Many of these vines are attacked by phylloxera.
V. de la S.
ยฉ Jancis Robinson and Oxford University Press 1994, 1999, 2006, 2015
