Rich woods, Maine to Ontario and southward.
D. bractebsum is ascending, with straight stems. Leaflets, 4 or 5 inches long, lance-shaped, pointed, with large stipules and bracts. Petioles, shorter than the leaflets. Pods, with several long joints.
In thickets and dense woods, New Hampshire to Minnesota and southward.
D. paniculktum has numerous drooping panicles of flowers on tall, straight stems. Leaflets, thin, narrow, oblong to lance-shaped, 3 to 5 inches long. Stem, for the genus, smooth, slender, and tall.
Maine to Minnesota and southward.
D. canadense. - This is the tallest of the desmodiums, 3 to 6 feet high. It has coarse, hairy stems, with large, showy flowers. Stipules, small. Racemes bearing many flowers, and pods of few roundish joints.
Open woods and banks of streams from North Carolina northward, throughout the Eastern States. The flowers of Desmodium appear in late summer or early fall. The specific names generally indicate some peculiarity of the different species, but most people will be satisfied to recognize the genus, calling the plant with sticky, jointed pods which cling to the clothing, small, purplish, papilionaceous flowers, and 3-foliate leaves, a desmodium.