Summer snowflake

Plants to 30–60 cm; bulb 2–4 × 2–3(–4) cm. Leaves: sheaths 3–6 mm, membranous; blade deep green, linear to ligulate, 30–50(–70) × 0.5–2 cm, apex obtuse, glossy, well developed at anthesis. Scape stout, hollow, 2-winged, compressed, (20–)30–60 cm. Spathe bract solitary, fused, green, lanceolate, 3–5 cm. Flowers: tepals white with yellowish green spot near apex, broadly ovate, (10–)13–22 × 10–12 mm; filaments white, slender, 2–5 mm; anthers 5–6 mm; ovary oblong-ovate, 6–10 × 5–8 mm; style clavate, 5–10 mm, exceeding stamens; stigma truncate, inconspicuous; pedicel 2.5–7 cm, longest equaling or exceeding spathe. Seeds black, 5–7 mm; coat loose, with air pockets at each end. 2n = 22, 24.

Flowering spring--early summer. Roadsides, fields, waste places; 0--500 m; introduced; N.S.; Ala., Ark., Conn., Del., Ga., Ill., Ind., Ky., La., Maine, Md., Mass., Miss., N.Y., N.C., Ohio, Pa., S.C., Tenn., Tex., Va.; c, s Europe; naturalized throughout temperate areas.