(Fernald & Wiegand) Hämet-Ahti, Ann. Bot. Fenn. 17: 188 (1980)
Mostly 80–100 cm tall. Cataphylls loose, usually not overlapping in upper 1/2–1/3, abaxially reddish brown and slightly glossy at base, dull and stramineous-brown distally, obtuse to subacute, often with acicular blade, adaxially silvery stramineous-brown. Stem ±smooth to inconspicuously striate. Inflorescence usually rich, (2–) 4–10 cm long, variable in form; branches mostly rigid. Tepals 2.2–3 mm long; outer tepals ±broadly lanceolate, acute to acuminate, rigid, with prominent ±hard central band, appressed to the capsule; inner tepals acute to mucronate, often with two prominent veins at midrib margins. Anthers 0.6–0.8 mm long, about equalling the 0.7–0.8 mm filaments. Capsule 2–2.5 mm long, ellipsoidal, slightly trigonous above, obtuse or rarely slightly retuse. Seeds 0.4–0.5 × 0.2–0.25 mm.