Origin: in Vineland Station, Ont., Canada, by G. Tehrani and G.H. Dickson, Ontario Ministry of Agr. and Food, Hort. Res. Inst. of Ontario. Imperial Epineuse × President; selected in 1938. Tree: productive, precocious, semi-vigorous, and flat spreading; self-unfruitful, pollinated by Italian Prune, Verity, California Blue, Stanley, Iroquois, Vision, Valor, and Bluefre. Fruit: European plum medium (54 to 41 mm); skin blue; flesh orange, quality fair; semi-freestone; ripens 10 Sept., the same as Iroquois and Early Italian Prune.