Roots sometimes tuberous-thickened; stem slender, to 1 m; stipules lanceolate to semi-ovate, rarely over 1 cm wide; principal lfls of the larger lvs 3–9, thin, oblong-obovate or obovate, very coarsely and usually bluntly serrate; conspicuously glandular beneath, otherwise glabrous or with short hairs on the veins beneath; axis of the infl glandular, seldom with a few spreading bristles; hypanthium 2–2.5 mm at maturity, hemispheric or broadly campanulate, glandular, not hairy. Moist rich woods; Conn. to Ind. and Kans., s. to S.C., Ga., La., and Okla.