Bulb rhizomatous, broadly ovoid, 6–8 × 3–6 cm; basal plate 3–6 cm; neck 3–5 cm; tunic grayish brown. Leaves deciduous, 3–9, arching upward to suberect, 4–10 dm × 2–5(–7) cm, coriaceous; blade deep green, liguliform, strongly channeled proximally, apex acute, glaucous at base. Scape 3.5–7 dm, 2-edged, glaucous; scape bracts 3, enclosing buds, 4–7.5 × 1.3–2 cm; subtending floral bracts 3.5–6 cm × 5–10 mm. Flowers 2–4, opening nearly at same time, fragrant; peri-anth tube green, (7.5–)9–12 cm; tepals extending nearly horizontally from base of corona, white, green-striped along keel and at base and apex, 9–14.5 cm × 7–15 mm; corona white with small, yellowish green proximal eye, rotate at full anthesis, distinctly tubulose proximally, 4–6 × 6–9 cm, margins between free portions of filaments with 2 or 3 prominent lacerate projections; free portions of filaments inserted on flat base, suberect, white except green proximally, 2.5–4 cm; anthers 1.5–2 cm, pollen yellow; ovary oblong to pyramidal, 2–3 cm × ca. 10 mm, ovules 4–6 per locule; style green in distal 1/2, becoming white proximally, 16–26 cm. Capsules elongate, 4–6 × 2–3 cm. Seeds elongate, 2–3 × 1.5–2 cm. 2n = 48.
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