Plants caulescent; rosettes from woody, branched caudices and forming small colonies. Stems to 3 dm, occasionally to 15 dm. Leaves 30–90 per rosette; blade wiry, upright, or lax, 50–140 cm × 12–30 mm, occasionally glaucous; bases broad, spoon-shaped, 30–85 mm; margins serrulate, not filiferous. Scape 4–15 dm, 14–35 mm diam. at base. Inflorescences compound paniculate, 9–18 dm × 10–40 cm; bracts persistent, conspicuous; bractlets laciniate. Flowers: tepals 2–5 mm; fertile stamens: filaments 2–4 mm, anthers to 1.2 mm; infertile stamens: filaments 1–1.2 mm, anthers 0.4–0.6 mm; pedicel erect, proximal to joint to 2 mm, distal to joint 1–3 mm. Capsules thin-walled, 8.2–11.2 × 9–12 mm, notched basally and apically. Seeds reddish brown, ovoid, bursting ovary wall, 4–5 ´ 3–4 mm.
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