Tempranillo more acidic wine. Tempranillo is the major component of the typical Rioja blends and constitutes 90-100% of Ribera del Duero wines. In Australia, Tempranillo is blended with Grenache and Shiraz, also known as Syrah. In Portugal, where it is known as "Tinta Roriz", it is a major grape in the production of some Port wines. Tempranillo is native to northern Spain and widely cultivated as far south as La Mancha. The two major regions that grow Tempranillo are Rioja, in north central Spain, and Ribera del Duero, which lies a little farther to the south. Substantial quantities are also grown
Peloursin Rif" (later Durif) by ampelographer Victor Pulliat in 1868. Durif later made its way to California where it was eventually named Petite Sirah. In the late 20th century University of California, Davis researchers led by Dr. Carole Meredith discovered that some of the California plantings of Petite Sirah were, in fact Peloursin, and that Peloursin had a parent-offspring relationship with Durif that likely sprung from a crossing with Syrah. Peloursin is a vigorous grapevine capable of producing high yields and excessive foliage if not kept in check with winter pruning and summertime leaf pulling. The variety tends to be a