Flora of North America species comparison

25–75 cm, distally scabrous.

13–50 cm, scabrous distally;

bases (remnants of old leaves) weakly to strongly fibrous.

2–3.5 mm wide.

blades green, 0.7–4.5 mm wide, herbaceous, smooth to scabrous abaxially, smooth to scabrous adaxially.

proximal bracts shorter than, equaling, or exceeding inflorescences;

spikes separate, erect, short-pendunculate, short-oblong or elongate, 10–25 × 6–10 mm;

lateral 2–3(–4) spikes pistillate;

terminal spike gynecandrous.

with both staminate and pistillate spikes;

peduncles of staminate spikes (0.8–)2.5–20 mm;

proximal cauline bracts leaflike, green or reddish brown, shorter than inflorescences.

proximal pistillate spikes 1–3(–4) (basal spikes 0, rarely 1);

cauline spikes overlapping or somewhat separated, with (2–)5–15 perigynia; staminate spikes 8–30 × 1.3–4.1 mm.

ascending, gray green or whitish, faintly veined, elliptic, 2.5–4 × 1.5–2 mm, apex beakless or abruptly beaked, densely papillose;

beak to 0.2 mm.

yellowish green to pale brown or olive, veinless, obovoid, 2.8–4.6 × 1.5–2.2 mm, as long as wide;

beak straight, pale green, occasionally with reddish tinge, 0.4–1.3 mm, weakly ciliate-serrulate, apical teeth 0.1–0.7 mm.

nearly filling body of perigynia.

dark brown, obovoid to globose, obtusely trigonous in cross section, (1.4–)1.6–2.5 × 1.5–2.2 mm.

scales light to dark brown, lanceolate, shorter or much longer and narrower than perigynia, midvein lighter colored than body, conspicuous, often raised, prominent, apex acute or acuminate, mucronate, mucro 0.5–3 mm.

pistillate scales pale brown to dark reddish brown or purplish brown, narrow white margins, elliptic to ovate, 2.6–5.4 × 1.2–2.6 mm, equaling perigynia, apex acute to acuminate or short-awned (rarely obtuse); staminate scales with white margins 0.4–0.8 mm wide, lanceolate to obovate, 3.6–6.7 × 1.2–1.7 mm apex obtuse to long-acuminate.

(1.5–)2–3.8 mm.

3.

= ca. 106.