Flora of North America species comparison

(20–)30–100 cm, 1.5–3.5 mm wide basally, 0.7–1.2 mm wide distally.

20–35 cm, distally scabrous.

sheaths usually loose, proximal green-and-white-striped and green-and-white-mottled, with conspicous transverse veins on back, fronts white to hyaline, sometimes red dotted and transversely rugose, yellow or brown and thickened at mouth;

ligules 1–4.5 mm, shorter than to as long as wide;

widest leaf blades 3.5–5 mm wide.

blades 2–3 mm wide.

with 5–10 spikes, (1.5–)2–5 cm × 8–13 mm;

proximal internodes shorter than to as long as proximal spikes;

proximal bracts to 3 cm;

spikes with 5–15 ascending to spreading perigynia.

proximal bracts shorter than inflorescences;

spikes erect, distinct, short-pendunculate, oblong, 10–15 × 5–8 mm;

lateral 2–3 spikes pistillate, of similar length;

terminal spike staminate, androgynous, or gynecandrous.

pale green to pale brown, veinless or weakly 2–5-veined abaxially, 3.4–4.6 × 1.9–2.8 mm, body somewhat spongy, thickened at base, margins serrulate distally;

beak 0.7–1.4 mm, apical teeth 0.3–1 mm.

ascending, pale green, veined or veinless, elliptic, 2.5–3 × 1.25–1.75 mm, papillose, especially along distal margins;

beak to 0.2 mm, bidentate.

circular to elliptic-circular, 1.8–2.1 × 1.6–1.8 mm.

nearly filling body of perigynia.

scales hyaline or pale brown with green, 1–3-veined center, ovate, 2.2–3.5 × 1.2–1.8 mm, body 2/3 as long to almost length of perigynia, apex acuminate to short-awned.

scales dark brown, lanceolate, mostly shorter than, also equaling or longer (if longer then without long mucro typical of C. buxbaumii) and as broad as perigynia, midvein lighter colored than body, conspicuous apex acuminate or mucronate, mucro less than 0.5 mm.

1.5–2.5 mm.

= 106.