Leaves 3–5, 30–50 cm; blade keeled, glaucous. Scape 30–90 cm, smooth. Inflorescences umbellate, open, 6–20-flowered; bracts reddish, lanceolate, 15–25 mm, apex obtuse. Flowers nodding at anthesis, erect in fruit; perianth tube red, cylindrical, not constricted above ovary, 20–27 mm, with 6 sac-like angles on proximal 1/3, lobes recurved, erect in fruit, yellow-green, 7–9 mm; perianth appendages each coalescent with an inner and outer tepal, forming conspicuous corona, erect, whitish, 3–4 mm, margins entire, involute, apex rounded; stamens 3, equal; anthers 6–8 mm; ovary stipitate, narrowly ovoid, 7–12 mm, stipe 3–6 mm; style 7–20 mm; pedicel 10–50 mm. 2n = 28, 48.