Flora of North America species comparison

2–20 cm × 0.3–0.5 mm.

2–12 cm × (0.2–)0.3–0.5 mm.

1.5–10 cm × 0.3–0.5 mm.

1–3 cm × 0.3–0.6 mm;

longest involucral leaf ± erect.

spikes 1–2(–3), ovoid (to globose), 1–3(–5) × 1–2 mm, not bristly;

bracts 1–2(–3), longest erect, others spreading, 2–5 cm × 0.3–0.6 mm.

spikes 1–2(–3), ovoid (to globose), 1–5(–6) × 1–2 mm, not bristly;

bracts 1–2, longest erect, 0.5–2 cm × 0.3–0.5 mm.

floral scales 2; 1st scale laterally yellowish to reddish brown, with green midvein, obtrullate to obovate, widest at or distal to mid length, 0.5–1 × 0.3–0.4 mm; 2d scale 2-fid, sometimes absent, 0.1–0.2 × 0.1 mm; 3d scale absent;

stamen 1;

anther 0.1–0.2 mm;

stigmas 2.

floral scales 2; 1st scale light brown to reddish brown, with greenish midvein, obtrullate, 0.9–1.3 × 0.3–0.6 mm, widest above mid length, long-acuminate; 2d scale reddish brown distally, with 2–4 reddish veins, oblong, 0.5–0.8 × 0.2 mm; 3d scale absent;

stamen 1;

anther 0.2 mm;

stigmas 2.

obovoid to broadly ellipsoid, 0.4–0.6(–0.7) × 0.2–0.3 mm, 1.5–2.5 times long as wide.

obovoid, terete, 0.5–0.75 × 0.25–0.35 mm, 1.5–2.5 times long as wide.