OregonFlora species comparison

sheath fronts membranous;

blades 1–3.1 mm wide.

3–6 mm wide; longer than the culms but curving sideways or down, serrulate on margins.

basal spikes absent; lowest bract sheath inflated, 2–5 mm long;

blade absent or less than 2 cm long, purpletinged;

lateral spikes 2–3, crowded near the terminal spike, 0.4–0.7 × 0.2–0.4 mm; terminal spike male; tiny, 0.3–0.7 cm × 1.1–1.5 mm.

dense and head-like; either male or female, growing on separate shoots; the plant thus appearing dioecious; although male and female shoots are connected by rhizomes; male inflorescences 3–4 × 1–2 cm; female inflorescences 3–6 × 2–4 cm, with lower spikes ascending, sometimes spreading, sometimes with inconspicuous male flowers mixed in.

elliptic, 2.3–3.3(3.5) × 1.1–1.4 mm, pubescent with crinkled hairs; veinless but with 2 ribs, bases succulent, withering when dry;

beak 0.3–0.4 mm long;

stigmas 3.

lance-ovate to elliptic, 10–14 mm long, green or yellow to dark brown;

wing margins irregular;

beak shorter than or about as long as the body, 3–5 mm from the top of the achene to the beak tip;

tip notched 0.4–0.6 mm;

stigmas 3.

rounded to trigonous.

rounded-trigonous.

dark reddish brown with whitish margins.

smaller than the perigynia; reddish brown; ovate;

apex obtuse, minutely ciliate.

long-tapered, sometimes with awn 6–12 mm long.

1.3–1.4 mm long.

4–6.5 mm long.

=54.