Perennial 2-6 dm, often decumbent; stipules dissected into several filiform segments 2-3 mm; lvs narrowly elliptic to lanceolate or oblanceolate, 3-8 cm, acute, tapering to a very short petiole; fls glomerate in the upper axils; sep lance-oblong, eventually 2-3 mm; cor white, 2-3 mm, densely bearded within; fr obovoid, 3 mm; 2n=28. Swamps and wet ground; se. O. to e. Kans., s. to Fla. and Tex. July-Sept.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.

From Flora of Indiana (1940) by Charles C. Deam

Infrequent to frequent on the muddy slopes of rivers, ponds, and sloughs and in very low, open woods. Reported, also, from Clark and Jefferson Counties.

……

Indiana Coefficient of Conservatism: C = 3

Wetland Indicator Status: FACW