Bulb rhizomatous, narrowly ovoid, 2–5 × 1.5–3 cm; basal plate 1–2.5 cm; neck 3–9 cm; tunic light gray. Leaves deciduous, 3–5, nearly erect, (2.4–)3.5–6.8 dm × 1–2.5 cm, coriaceous; blade shiny green, liguliform, channeled in proximal 1/2, apex acute. Scape 3–5 dm, 2-edged, glaucous; scape bracts 2, enclosing buds, 2.5–5 cm × 7–12 mm; subtending floral bracts 2–3 cm × ca. 5 mm. Flowers 2–3, opening sequentially, fragrant; perianth tube green, 5–8(–10) cm; tepals slightly ascending, white, tinged green on keel, especially at base, (6–)7–9(–11.5) cm × 3–6 mm; corona white with small green eye, funnelform at full anthesis, then gradually spreading, shortly tubulose proximally, (2–)2.5–3.5 × 3.5–4.5 cm (unbroken on herbarium sheets), margins between free portions of filaments irregularly dentate, projections not prominent; free portions of filaments inserted on flat sinal base, suberect, white, 1.5–3 cm; anthers 1–2 cm, pollen golden; ovary green, ovoid, 0.8–1.5 cm × ca. 5 mm, ovules 2–3 per locule; style green in distal 1/2, rapidly fading to white proximally, (10–)13–18 cm. Capsules subglobose, 2–3 × 2–3 cm. Seeds elongate, 1.5–2 × 1–1.5 cm. 2n = 40.
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