Origin: at Southeastern Fruit & Tree Nut Res. Lab., Byron, Ga., from seed of Queen Ann × Santa Rosa collected by John H. Weinberger near Fresno, Calif. Selected by Victor E. Prince in 1967; tested as BY 4-401 and evaluated by J.M. Thompson; introd. in 1980. Tree: bears by third year; vigor moderate, young trees semi-upright, vase shape, which modifies with age into a spreading flat-top; flowers self-infertile, pollinizer necessary; moderate to good resistance to bacterial spot (Xanthomonas pruni) inconsistent production. Fruit: Japanese type; nearly round with diam. up to 2 1/4 inches, skin deep, lively purplish-black with heavy waxy bloom; flesh deep amber, flavor good to excellent; seeds small; semi-clingstone; ripens 115 days after full bloom, ripening as early as late June and as late as mid-July.
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