Plants to 7–20(–40) cm; bulbs 1.5–2.5 × 1–1.5(–2) cm. Leaves: vernation flat and parallel, remaining so within basal sheath; blade linear to ligulate, 5–15 × 0.3–0.7 cm. Spathe 2–3.5 cm. Flowers: outer tepals white, oblong to broadly obovate, 1.5–2(–2.5) × 0.6–1.1 cm; inner tepals white with green blotch at apex only, narrowly obovate or oblong, 7–12 × 4–6 mm; anthers 3–5 mm; ovary 5–6 × 3–4 mm; style 6–8 mm; pedicel 1.2–3(–4) cm.

Flowering late winter--early spring. Roadsides, open forests, abandoned gardens; 0--500 m; introduced; N.B., Nfld. and Labr. (Nfld.), Ont.; Md., Mass., Mich., N.J., N.Y., N.C., Ohio, Pa., Utah, Va.; Europe (Spain to w Russia); expected elsewhere.