The red grape variety comes from France. Synonyms are Bouton Blanc, Moustère and Moustouzère. Saint-Macaire is also a synonym for the variety Merlot. The origin (parentage) is unknown. The medium maturing vine is susceptible to powdery mildew. It produces a deep, acidic red wine. Named after a commune in the Gironde, the variety was first mentioned in 1763. It was quite common here in the 19th century. Today it is threatened with extinction. In 2916, only one stock was designated in Australia with six hectares of vineyards (Kym Anderson).
Source: Wine Grapes / J. Robinson, J. Harding, J. Vouillamoz / Penguin Books Ltd. 2012