Amaryllis zeylanica Linnaeus, Sp. Pl. 1: 293. 1753; Crinum latifolium Linnaeus var. zeylanicum (Linnaeus) Hooker f.

Bulbs 12–15 cm diam., neck short. Leaves several, 5–10 dm × 3–5 cm; blade lorate. Scape to 7.5 dm or more. Umbels 8–12-flowered. Flowers sessile; perianth white with broad purplish-red keels (most pronounced adaxially), funnelform, tube 7.5–15 cm, limb lobes oblong-elliptic, 7.5–18 × 1–2 cm. Capsules not seen at maturity, globose, beak 8–10 cm. Seeds warty.

Flowering late spring--summer. Fields, wasteplaces, wet areas; 0--200 m; introduced; Fla., La.; tropical Asia.

Crinum zeylanicum is extensively cultivated outdoors in the lower Gulf coastal plain.