Flora of North America species comparison

phyllopodic, with dead leaf remains at base, 5–35 cm.

10–45 cm, smooth to scabrous distally;

bases (remnants of old leaves) slightly or not at all fibrous.

blades 1–2.5 mm wide, margins sometimes involute, scabrid at tip.

blades pale to bright green, shorter to longer than culms, 0.8–2.5 mm wide, herbaceous, smooth to scabrous abaxially, papillose to scabrous adaxially.

proximal bracts 0.5-2 cm, much shorter than inflorescences;

lateral spikes 6–15 × 3.5–5 mm, with 2–10 perigynia;

terminal spikes 6–20 × 1–2.5 mm.

with both staminate and pistillate spikes;

peduncles of staminate spikes 0.4–9.9 mm;

proximal nonbasal bracts leaflike, shorter than inflorescences.

proximal pistillate spikes 1–4 (basal spikes 0);

cauline spikes overlapping, proximal 2 spikes usually separated by less than 7 mm, with 4–14 perigynia; staminate spikes 5–14 × 0.5–1.8 mm.

2.5–4.5 × 1.6–2 mm, apex rounded;

beak absent.

pale green, veinless, ellipsoid, 2.3–3.3 × 0.8–1.2 mm, longer than wide;

beak straight, pale green, 0.6–1.1 mm, weakly ciliate-serrulate, apical teeth 0.1–0.4 mm.

brown, ellipsoid, acutely trigonous in cross section, 1.2–1.7 × 0.7–1.3 mm.

scales circular-ovate, 3–4.8 × 2.2–3.4 mm, long as and wider than perigynia, apex obtuse, sometimes mucronate.

scales oblanceolate to obovate, 3.2–4.8 × 1.5–2 mm, apex acute to obtuse.

2–2.5 mm.

1.5–2.7 mm.

pistillate scales pale to dark reddish brown, with narrow white margins, lanceolate to ovate or obovate, 2.2–3.4 × 0.4–1.8 mm, equaling or exceeding perigynia, apex usually acuminate, sometimes acute or mucronate; staminate scales lanceolate to ovate, 2.8–6 × 0.6–1.9 mm, apex acute to acuminate.

3.

= 52.