Stem(s) 5–12 dm, ± erect, usually much-branched above, ± densely uncinate-puberulent, or (in the phase called D. dillenii Darl. or D. perplexum B. G. Schub.) provided with longer spreading hairs, or with both sorts of pubescence; stipules slender, 4–8 mm; petioles mostly 2–5 cm; lfls ± pubescent especially beneath, the terminal one commonly oblong-ovate, 4–9 cm, a third to two-thirds (avg half) as wide; fls 7–10 mm; cal 4 mm; stipe 3–5 mm; articles 2–4, 5–9 × 3.5–5 mm; 2n=22. Dry upland woods; Me. to Wis. and Neb., s. to Fla. and Tex. July, Aug.
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