[1] For many years, Caprettone was assumed to be a clone of Coda di Volpe but DNA analysis in the early 21st century showed that the two grapes are distinct varieties and that, instead, Caprettone was closely related to the red Campanian wine grape Piedirosso and the white Ginestra.
The grape is noted for being able to maintain moderate acidity levels even in the warm climate of southern Italy.
[1] For the 2000 census, Caprettone was still officially recognized as a clone/synonym for Coda di Volpe, which had 1,027 hectares (2,540 acres) reported, so the exact number of plantings for the grape is not known.
Ampelographers believe that true Caprettone is mostly isolated to the province of Napoli where 15 villages around Mount Vesuvius have had a long history of production with the grape.
[1] In the Rogue River Valley appellation of Oregon in the U. S., a varietal wine is made from local Caprettone grapes.