Plants relatively robust. Leaves: proximal 80-300 × 40-100 mm, sharply serrate; distal relatively few, gradually reduced distally, margins serrate.

Flowering Aug-Sep-(Oct). Moist soils, swamp margins, boggy ground, wet meadows, roadside ditches, seeps, edges of wet woods; 0-1800+ m; Ala., Conn., Del., Ga., Ill., Ind., Iowa, Ky., Md., Mass., Mich., Miss., Mo., N.H., N.J., N.Y., N.C., Ohio., Pa., S.C., Tenn., Vt., Va., W.Va., Wis.

Infrequent in the lake area and local south of it. It is found in springy places, bogs, and marshes and rarely about ponds, hence it becomes local in southern Indiana because its preferred habitat is lacking.