There are two grape varieties with this name:
1) The red grape variety is a new breed between Chatus (Nebbiolo di Dronero) x Dolcetto, Synonyms are Dalmasso 7-21, Incrocio Dalmasso VII / 21 and S. Martino. According to carried out in 2009 DNA analysis was the breeding list entry Nebbiolo x Dolcetto wrong. The crossing took place in 1936 Conegliano (Veneto) by the Italian breeder Giovanni Dalmasso (1886-1974). By the way, the new breeds are with the same parents Passau and Valentino Nero emerged. The variety is grown in Piedmont grown. In 2010, 11 hectares of vineyards were shown with a downward trend (Kym Anderson ).
2) The white grape variety is a new breed between Pirovano 57 ( Bicane x Poete Matabon) x Zibibbo ( Muscat d'Alexandrie ). Synonyms are Pirovano 215 and S. Martino. The cross was made in Rome in 1923 by the Italian breeder Alberto Pirovano (1884-1973). The variety is called wine press and table grape used.
Images: MIPAAF - National Vine Certification Service