OregonFlora species comparison

20–60 cm × 0.5–0.8 mm.

blades trigonous-channeled in cross section; to 30 cm × 1–2 mm;

distal leaf blade 1–4 cm × 1–1.5 mm; shorter than its sheath.

blade-bearing involucral bracts solitary, similar to distal leaf;

blade usually gray or black proximally, 0.6–2 cm.

(1)2–5; floral scales broadly ovate, 3–4.5 mm; black or dark gray with black tip;

margins absent or to 0.1 mm wide, 5–9-ribbed;

midrib reaching tip;

apex obtuse to more or less acute.

perianth bristles 10–15 mm, white;

anthers 1–2.5 mm.

narrowly obovoid, 1.5–3 mm.