The red grape variety comes from France. The name is derived from "col" (grape stalk) and "tor" (twisted) and refers to the strongly twisted stalk. Synonyms are Assadoule Bouvier, Binxeilla, Canseron, Colitor, Col Tor, Coulitor, Coy Tor, Dameron des Vosges, Foirard, Foirat, Fouiraire, Fouiral, Fouirassan, Garriga, Pécoui Touar, Pécoui Tovar, Picpoul de Fronton. Although it appears to have synonyms or morphological similarities, it must not be confused with the varieties Bouteillan Noir (Fouiral), Brachetto del Piemonte (Calitor), Braquet Noir, Jurançon Noir or Piquepoul Noir. Two colour mutations are Calitor Blanc and Calitor Gris.