Leaf blades ovate, 8-12(-15) × 4-8(-12) cm, abaxial faces glabrous or sparsely pubescent, adaxial faces glabrous or minutely scabrellous. Flowering late spring-summer. Open woods, thickets, marshes, meadows, road banks, and waste places; 0-800 m; Ont.; Ala., Ark., Conn., Del., Ga., Ill., Ind., Ky., La., Md., Mass., Mich., Miss., Mo., N.J., N.Y., N.C., Ohio, Pa., S.C., Tenn., Vt., Va., W.Va., Wis.