Petite Sirah is another name for Durif (just to add even more confusion to the mix).

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She then revealed that a Californian variety called petite sirah was actually two different grapes called durif and peloursin that even wine snobs were unable to tell apart.

ECONOMIST: Genetics

Microsatellite analysis shows that vines described as Petite Sirah by their estates are really from a number of different clonal varieties: Pelousin and Durif (both French grapes), and a third that is at present unidentified.

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