ACCESSION, defined by Dr Ian D’Agata (2014) as ‘a single grapevine, or the one plant from a collection being examined,’ for example when trying to identify its genetic origins or relationships. 


Dr Ian D’Agata, Native Wine Grapes of Italy (University of California Press, 2014), p567.

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