Bulb nonrhizomatous, ovoid, 2.5–4 × 1.5–3.5(–5) cm; basal plate 1–3.5 cm; neck 3–7 cm; tunic grayish brown. Leaves deciduous, 2–6, erect, 1.5–4(–5–6.5) dm × 4–10 mm, coriaceous; blade bluish green, linear, channeled, margins hyaline, apex acute, glaucous. Scape 1.8–4.5(–6) dm, suborbiculate, glaucous; scape bracts 2, not enclosing flower bud, 4–6 cm × 4–7 mm; subtending floral bracts 1–2, 3.7–5 cm × 3–5 mm. Flowers 1, rarely 2, then opening sequentially, faintly fragrant; perianth tube green, 7.5–12 cm; tepals ascending, yellow-green to pale green, linear, 7.5–12.5 cm × 3–7 mm (unfolded); corona white with faint green eye, funnelform, margins with some gradual spreading in time, shortly tubulose proximally, 2.5–3.5(–5) × 3–5 cm, margins between free portions of filaments irregularly dentate, with some filiform projections; free portions of filaments inserted on flat sinal base, erect, white, 2.5–4 cm; anthers 1.2–2 cm, pollen deep yellow; ovary oblong to slightly pyriform, 1.4–2.2 cm × 6–12 mm, ovules (3–)5–8 per locule; style green in distal 1/2, fading to white proximally, 13–20 cm. Capsules ellipsoid, 3.5–4 × ca. 2.5 cm. Seeds obovoid, 1.5–2 × 1–1.4 cm. 2n = 42, 46, 48.
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