The cherry, prunus cerasus — specifically, the variety marasca — is the only plant that appears in the Manhattan cocktail in an easily recognizable form. But as author Amy Stewart explains, the maraschino garnish is far from the only horticultural element of the cocktail. See below for the rest of the ingredients in a Manhattan.
Koehler's Medicinal Plants/Image courtesy Missouri Botanical Garden. http://www.botanicus.org