Plants forming small to extremely large colonies, caulescent or short-procumbent. Stems short-pro-cumbent, 0.1–0.4 m, 2–3.5 m with peduncle and inflorescence. Leaf blade plano-convex or plano-keeled, 45–80(–150) × 1.2–2 cm, stiff but somewhat flexible, smooth abaxially, slightly roughened adaxially. Inflorescences racemose, 10–20 dm; peduncle 1–1.5 m. Flowers 5.5–6.5 × 2.3–4 cm; tepals often tinged pink or brown, elliptic to orbiculate; filaments 2.5–2.8 cm; anthers 5–6 mm; pistil oblong-cylindric, 3–3.5 × 0.7–0.9 cm; style 5–8 mm. Capsules moderately constricted, 6.5–7.5 cm.
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