Sp. Pl. 1: 290. 1753.
Bulbs ovoid, 4–6 × 3–5 cm, tunic pale to dark brown. Leaves 4; blade flat, 25–35 cm × 8–15(–20) mm, glaucous. Inflorescences umbellate, 5–15-flowered, 25–35 cm; spathe pale brown, 4–6 cm, papery. Flowers strongly fragrant; perianth 2–4 cm wide; perianth tube 1.5–2 cm, gradually tapering to base; distinct portions of tepals spreading to reflexed, white to cream, linear-ovate to oblanceolate, 1–2 × 0.5–1 cm, apex acute; corona yellow, cup-shaped, 3–5 × 5–10 mm, apex crenulate to ruffled; 3 shorter stamens included within perianth tube, 3 longer stamens and style exserted into mouth of corona; pedicel of variable length, to 8 cm. 2n = 22.
Phenology: Flowering late winter–spring.
Habitat: Roadsides, waste places
Elevation: 0–100 m
Introduced; Ala., Ark., Calif., Fla., La., Miss., N.C., Oreg., S.C., Tex., Va., w Europe (s Portugal), Mediterranean region, sw Asia (Iran), naturalized in Kashmir, China, and Japan, expected naturalized elsewhere.