OregonFlora species comparison

20–55 cm × 8–16 mm.

19–50 cm × 6–13 mm.

terminal;

branches ascending and drooping.

terminal.

aggregated in a few dense clusters of 12–130;

spikes sessile, narrowly ovoid, 4–5 × 1.8–2.3 mm; floral scales 1.6–2.8 mm; black or brownish black with pale midribs;

apex with awn 0.4–0.6(1.2) mm.

in clusters of 4–35;

spikes sessile; ovoid, 2–4 × 1–2 mm; floral scales 1–1.8 mm, brown or blackish brown with pale midribs;

apex mucronate; mucro 0.1–0.3 mm.

perianth bristles persistent, 6; rather stout; straight or curved; longest bristles equaling achene, with retrorse teeth in distal 0.3–0.5, enclosed within floral scales;

stigmas 3.

perianth bristles persistent when present, 0–3; slender; straight or curved; much shorter than the achene; smooth or rarely with retrorse teeth near apex, enclosed within floral scales;

stigmas 3.

plumply trigonous or plano-convex, 0.8–1.2 × 0.4–0.6 mm.

plumply trigonous or plano-convex, 0.6–1.2 × 0.4– 0.5 mm.

=56.

=50, 52, 54.