Fl. Amer. Sept. 1: 234. 1814.
Rhizomes shallowly set, 1–1.8 cm thick. Stems erect, 5–9(–11) dm; sheathing bract cauline, papery, caducous. Leaves subsessile or short-petiolate, 4–15 × 2–5.5(–7.5) cm; blade elliptic-lanceolate to broadly ovate, glabrous adaxially, minutely hairy or pilose on abaxial veins; prominent veins 3–9. Inflorescences in most leaf axils except distalmost and proximal 2–4; peduncle sharply reflexed, axillary 1–3(–5)-flowered, to 2 cm in fruit. Flowers: perianth yellowish green, tube 10–13(–15) mm, distinct tips 2–3 mm; stamens inserted high in perianth tube; filaments densely warty; pedicel to 1.3 cm in fruit. Berries 6–9 mm. 2n = 20.
Phenology: Flowering early–late spring.
Habitat: Rich moist wooded slopes and coves
Elevation: 0–1100 m
N.B., N.S., Ont., Que., Conn., Del., D.C., Ga., Ill., Ind., Iowa, Ky., Maine, Md., Mass., Mich., Minn., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., Tenn., Vt., Va., W.Va., Wis.