Tempranillo blanco Tempranillo blanco Tempranillo blanco is a white Spanish wine grape variety that is grown in the Rioja "Denominación de Origen" (DOC). It is a mutation of the red Tempranillo grape variety that is planted in Rioja. The white grape variety was discovered in a Tempranillo vineyard in the Rioja region by a wine grower in the late 20th century. In 2007, the "Consejo Regulador" of Rioja officially sanctioned the use of Tempranillo blanco in the DOC wines of Rioja. Tempranillo blanco was discovered in 1988 by a wine grower in a Tempranillo vineyard near Murillo de Río Leza in the
Peloursin California vineyards that thought they were planted with Durif/Petite Sirah were found to be field blends that contain some plantings of Peloursin. In addition to being a parent of Durif, Peloursin was also crossed with Persan to create Joubertin. DNA testing also suggest a relationship between Peloursin and Bia blanc which share some morphological similarities but the exact nature of that relationship is not yet known. Plantings of Peloursin are often confused with its offspring Durif and this was particularly the case in California where many plantings of Petite Sirah/Durif were discovered to actually be Peloursin. In the Jura region,