OregonFlora species comparison

sheath fronts green and veined except for a small white-hyaline triangle at the top;

blades 2–4.5 mm wide.

1.5–2.5 mm wide.

1–4.5(6) cm × 5–14 mm, typically elongate;

spikes distinct but overlapping, gynaecandrous, rounded or tapered to tip.

pyramidal, 1–1.2 cm × 5.5–10 mm; dense and headlike; blackish brown;

spikes gynaecandrous.

obovate, 3–4.6 × 1.6–2.6(2.8) mm; the body widest above the middle, green or light brown;

veins 5 to many on each face;

wings 0.5–0.8 mm wide;

beak tip winged and ciliate-serrulate almost to the tip, 1.4–2.2 mm from achene top to beak tip;

stigmas 2.

ovate; plano-convex, 2.6–3.2 × 0.9–1.3 mm; gold to blackish brown, unwinged but with 2 fairly sharp-edged; entire;

lateral ribs;

base usually with some pithy tissue;

beak unwinged, brown; and entire for the distal 0.4+ mm, 1.2–1.6 mm from achene top to beak tip;

stigmas 2.

lenticular, 1.3–1.7 × 0.7–1 mm, 0.4–0.5 mm thick.

lenticular, 1.2–1.5 × 0.8–1 mm.

2.2–3.7 mm long; shorter and narrower than the perigynia, white-hyaline; aging silvery brown, with green center;

apex obtuse.

usually shorter and narrower than the perigynia, brown, usually with paler midrib.

=58, 60, 62.

=64.