The shallot is a botanical variety (a cultivar) of the onion. Until 2010, the shallot was classified as a separate species, Allium ascalonicum, a name that is a synonym of Allium cepa the species name of the onion. A. cepa is the correct name for the shallot species. Its close relatives include garlic, scallions, leeks, chives, and the Chinese onion.