Bulbs 3.5–6 cm diam., neck 4–6 cm. Leaves 10–15 dm × 1–4 (–7) cm; blade lorate, margins usually scabrous. Scape equaling leaves. Umbels 2–7-flowered. Flowers sessile; perianth white, salverform, tube 6–15 cm, limb lobes linear, narrowly elliptic, or oblanceolate, 5–15 × 1–1.5 cm. Capsules 2.5–4.5 × 2.5–4 cm, beak 1–8 cm.

Varieties 2 (2 in the flora): se, sc United States.