Cultivar, defined by Dr Ian D’Agata (2014) as ‘a cultivated grape variety; any variety that is cultivated by human beings.’

Bibliography

Dr Ian D’Agata, Native Wine Grapes of Italy (University of California Press, 2014), p568

Oxford Companion to Wine 4th edition ed. Jancis Robinson MW and Julia Harding MW (Oxford University Press, 2015).