Durif is a variety of the red wine grape, primarily grown in Australia, california, france and israel. it is the main grape known in the u.s. and israel as petite sirah, with over 90% of california plantings labeled 'petite sirah' being durif grapes; the u.s. bureau of alcohol recognizeds "durif'" and "petite sirah" as synonyms for the same grape. it produces tannic wines with a spicy, plummy flavor. the grapes orginated as a cross of syrah pollen germinating a peloursin plant. on some occasions, peloursin and syrah vines may be called 'petite sirah," usually because the varieties are extremely difficult to distingush at an old age.