The red grape variety (also California G 22-2) is a new breed between Zinfandel
) x Mondeuse Noire
, The crossing took place in 1937 United States
at the Agricultural Experiment Station of the University of California
by Dr. Harold P. Olmo
(1909-2006). For a while it was mistaken for the father variety Refosco dal Peduncolo Rosso
stated or suspected because Mondeuse Noire was long thought to be this variety.