Leaves relatively less firm, basal proximally tapering, glabrous, abaxial midvein sometimes gla-brate. Cypselae glabrous. 2n = 18.

Flowering Aug–Oct Deciduous and conifer woods, margins of clearings, shaded roadsides; 0–1000+ m; Ont.; Conn., Del., Ill., Ky., Maine, Md., Mass., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., Tenn., Vt., Va., W.Va.