Flora of North America species comparison

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

arching to spreading, 5–31 cm, smooth or scabrous distally;

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

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

blades pale green, shorter to longer than culms, 0.9–2.6(–3.2) mm wide, herbaceous, glabrous abaxially, 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 basal spikes slender, elongate, erect;

peduncles of distal spikes 0.6–4(–10) mm;

proximal nonbasal bracts leaflike, equaling or exceeding inflorescences.

pistillate spikes 1–4 (basal spikes 0–2);

cauline spikes overlapping, separated by less than 7 mm, with 4–15 perigynia;

distal staminate spikes 3.1–11.3 × 0.7–2.7 mm.

2.5–4.5 × 1.6–2 mm, apex rounded;

beak absent.

yellowish green to grayish green, veinless, globose to obovoid, 2.3–3.1 × 1–1.4 mm, as long as or longer than wide;

beak often bent, pale green, occasionally with reddish brown tinge, 0.4–0.8 mm, ciliate-serrulate, apical teeth 0.1–0.2 mm.

brown, obovoid, obtusely trigonous in cross section, 1.3–1.6 × 1–1.4 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.

1.2–2.5 mm.

pistillate scales pale to dark reddish brown, with narrow to broad white margins, ovate, 2–2.8 × 1–1.8 mm, shorter than perigynia, apex obutse, acute, or acuminate (cuspidate on some basal spikes); staminate scales ovate, 2.4–4 × 1–1.9 mm, apex acute to acuminate.

3.

= 52.