Bulbs 6–10 cm diam. Leaves 6–8, appearing after flowering, 50 × 3–5 cm. Scape to 1 m. Inflorescences 2–4-flowered; bracts 5 cm. Flowers slightly zygomorphic; perianth reddish to salmon, with whitish midstripe on adaxial surface of each outer tepal, tube 3 cm; outer tepals lanceolate to subrhombic, 12 cm or more, apex acuminatenate. Capsules ellipsoid to ovoid, 2 cm. Seeds black, compressed-globose or -subglobose.
Phenology: Flowering spring–early summer.
Habitat: Disturbed sites and old gardens, spreading or persisting from cultivation
Elevation: 0–100 m
Introduced; La., Tex., Mexico, West Indies, Central America, South America.
Hippeastrum puniceum is the “amaryllis” of commerce that is extensively cultivated outdoors in the southern United States and indoors elsewhere.