(Michx.) Hämet-Ahti, Ann. Bot. Fenn. 8: 377 (1971)
Plants usually 60–90 cm tall, not or slightly reddish at base. Basal leaves dull, bluish green, to 20 cm long, to 8–10 mm wide; cauline leaves 4–6, 8–12 cm long, (6–) 8–10 mm wide. Inflorescence few-flowered but large, c. 12 (–20) × 8 cm; primary branches long; secondary distal branches long, spreading to reflexed; flowers borne singly. Bracteoles ±glabrous to very sparsely ciliate. Tepals acute, rigid, brown to pale brown, often ±translucent, c. 1.8–2.1 mm long; midrib not distinct. Anthers 0.4–0.6 mm long; filaments c. 0.5 mm long; style c. 0.5 mm long; stigmas 0.8–1.3 mm long. Capsule ±ellipsoid, acute, with mucro 0.2–0.5 mm long, usually dark brown, longer than perianth; capsule segments 1.9–2.2 × 1.0–1.2 mm. Seeds dark brown, c. 1.2 mm long; appendage not distinct; base fibrillate. 2n=24 [BL], fide Á.Löve & D.Löve, Univ. Colorado Stud. Ser. Biol. 17: 26 (1965).