Rosettes flat-topped, 3.5–4.5 × 4–6 dm. Leaves ascending, 17–45 × 4–12 cm; blade lanceolate; margins straight, teeth 5–7 mm, 1–3 cm apart; apical spine dark brown, subulate or acicular, 2.5–3 cm. Scape (2–)3–4.5 m. Inflorescences: lateral branches (7–) 10–17, slightly ascending. Flowers 5.5–6.7 cm; perianth red to orange in bud, yellow to yellowish green at anthesis, tube 12–18 mm, limb lobes erect to ascending, 15–20 × 3–4 mm; filaments inserted (sometimes irregularly) above mid perianth tube, green, 3.5–4.5 cm; ovary neck 4–7 mm. Capsules oblong, 2.5–3.5 cm. 2n = 120.