Flora of North America species comparison

erect, terete, 1–3 mm diam., smooth.

1–8, 0.3–0.5 mm diam.

0–1, maroon or dark green, apex obtuse.

1–2.

basal 1, cauline 2–3;

auricles 1–2.1 mm, apex rounded, membranaceous;

blade maroon or dark green, terete to compressed, 3–20 cm × 1–2.4 mm.

basal, 2–4;

auricles slightly prolonged, rounded, scarious to ± leathery;

blade deeply channeled, 2–10 cm, mostly shorter than culms.

terminal panicles of 30–70(–130), 5–20 cm, branches spreading;

primary bract erect;

;

heads (1–)2–10-flowered, hemispheric or narrower, 5–10 mm diam.

solitary heads, each with 2–3(–50) flowers;

primary bracts brownish, nearly equal to or slightly shorter thanabout equaling inflorescence.

tepals green to straw-colored, lanceolate, apex acute;

outer tepals (2–)2.6–3.2 mm;

inner tepals (1.8–)2.3–3 mm;

stamens 3, anthers 1/2–2/3 filament length.

tepals pale brown or darker, oblong-lanceolate, 3–5 mm, outer and inner series nearly equal;

stamens 6, filaments 2.5–4 mm, anthers 0.6–1 mm;

styles 0.5–0.8 mm.

exserted, , straw-colored, 1-locular, linear-lanceoloid, 4–5.2 mm, apex acute, valves separating at dehiscence.

tan, pseudo-3-locular, 3-gonous–cylindric, apex obtuse, mucronate.

oblong-ellipsoid, 0.3–0.4 mm, not tailed;

body clear yellow-brown.

tan or darker, fusiform, body 0.5–1 mm, tails 0.6–1 mm.