
1) Red wine grape variety
Found on
https://www.crosswordclues.com/clue/joubertin

Joubertin is a red French wine grape variety that was historically grown in the Savoie wine region of southeast France. The grape was once prized for its productivity and high yields but its plantings have declined as the grape has fallen out of favor and it is now on the verge of extinction. In the 20th century, ampelographers Louis Levadoux and ...
Found on
http://en.wikipedia.org/wiki/Joubertin

The red grape variety comes from France. Synonyms are Jaubertin, Pinot Joubertin, Plant d'Aix, Plant de la Claye and Plant de la Mure. It was discovered and selected around 1835 by the eponymous winegrower Joubertin in a vineyard in the municipality of La Claye near Grenoble. According to DNA analyses carried out in 2013, it is probably a natu...
Found on
https://glossary.wein.plus/joubertin
No exact match found.