Lvs 2–5, dark glossy green, oblong to elliptic or obovate, eventually to 3 dm, abruptly acuminate, ciliolate; scape 1.5–4 dm, usually hairy above at least when young; pedicels 1–3 cm, erect in fr, softly hairy; fls 3–8, nodding, the tep greenish-yellow, narrowly oblong, 15–18 mm; ovules 10 or more per locule; fr blue (white), 8 mm thick; 2n=28, 32. Rich moist woods and wooded bogs; Lab. and Nf. to Man. and Minn., s. to N.J., Pa., and n. Ind., and in the mts. to N.C. and Tenn. May, June.
Plants 2–5 dm; rhizomes thin, spreading. Cauline leaves 2–4; blade dark glossy green adaxially, oblong to elliptic obovate, 15–30 × 5–10 cm. Inflorescences in short, terminal racemes, 3–8(–10)-flowered; bracts 1(–3), narrowly foliaceous. Flowers nodding; tepals yellow to yellowish green, narrowly oblong, 12–16 × 3.5–4.5 mm; filaments 12–17.5 mm; anthers oblong, 2–3.5 mm. Berries ultramarine blue, ovoid, 8–16-seeded, 8–12 mm. Seeds 3–5 mm. 2n = 28, 32.