Flora of North America species comparison

10–90(–135) cm.

15–55 cm, smooth to scabrous distally.

3–6 per culm;

sheaths tight, inner band hyaline, 1.8–2.5 cm, apex concave, glabrous;

ligules 0.6–2.5(–4.5) mm, rounded to ± acute;

blades plicate, 5–40 cm × 0.7–3.3(–3.8) mm, widest leaf 1–3.3(–3.8) mm wide.

proximal sheaths pale brown to dark brown, occasionally red tinged, 4.5–8(–10) mm thick;

ligules 1.2–3.9 mm, usually 0.6–1.5 times as long as wide;

leaf blades very glaucous, channeled, 4.5–40 cm × 1.5–3.5(–6.5) mm, coriaceous.

0.7–7.8 cm;

spikes (2–)3–8;

lateral spikes pistillate often with few staminate flowers proximally, 3–15.5 mm, sessile, staminate portion 7-flowered, to 8.2 mm, pistillate portion 3–32-flowered, 2.5–11 mm;

basal 2 spikes 1.7–42 mm apart;

terminal spike gynecandrous, 5–24 mm, staminate portion 2–17-flowered, 2–16.5 × 0.9–2 mm, pistillate portion 4–26-flowered, 2.6–9 × 4.9–9.1 mm.

2.2–8.59(–12) cm, 0.6–1.8 length of proximal bract;

proximal bract 0.8–11 mm, sheath 0–1.2cm, blade 0.8-10 cm; pistillate spikes densely flowered, ovoid to short-cylindric, 0.7–2.5 cm × 4–5.5 mm wide;

lateral spikes erect or ascending on stiff peduncles.

spreading to reflexed, castaneous to dark brown, 2–14-veined abaxially, 0–12-veined adaxially over achene, lanceolate to ovate, (2.65–)2.9–4.75 × 0.8–2.1 mm, (1.7–)1.8–3.2(–3.6) times as long as wide;

beak (0.85–)0.95–2 mm, (0.4–)0.45–0.86 length of body, serrulate, teeth (0–)0.15–0.5 mm.

strongly ascending in the spikes, glaucous, fusiform, 3–4.8(–5) × (1–)1.3–2 mm wide, heavily papillose;

beak absent or minute, erect, straight.

ovate-lanceolate to rhombic-ovate, 1.3–2.1 × 0.8–1.55 mm.

pale to dark brown, 2.1–2.5 × 1.2–1.8 mm wide.

scales ovate, (1.4–)2.1–3.1 × 0.7–2.3 mm, apex acute to sometimes obtuse.

scales pale brown to dark purple-brown with broad green center and narrow hyaline margins, obtuse to acute.

scales ovate-lanceolate to ovate, 1.3–3.8 × 0.8–1.7 mm, base clavate, apex acute.

0.8–1.6(–2) mm.

= 58.

= 32.