OregonFlora species comparison

grooved; terete, 5–45 cm; smooth.

blades absent or 1.5–8 × 0.3–0.4 mm; much shorter than culms.

spikes 3–9-flowered, 3.3–7 × 1.2–3 mm;

bracts equaling spikes or to 3 mm longer, 3.3–4.5 mm.

scales reddish brown to dark brown;

apex mucronate to acute.

perianth bristles 6; terete, equaling or exceeding achenes, brown; smooth to scabrous;

anthers 1.5–2.6 mm.

compressed trigonous, 1.4–1.7 × 0.6–0.9 mm.

=104.