Flora of North America species comparison

with swollen nodes, 1 mm diam.

1–8, 0.3–0.5 mm diam.

erect, terete, 1–3 mm diam., smooth.

1–2.

0 or 1–2., pink to gray, apex acute.

basal, 2–4;

auricles slightly prolonged, rounded, scarious to ± leathery;

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

basal 1, cauline 2–4, green to pink;

auricles 0.5–1.7 mm, apex rounded, membranaceous to cartilaginous;

blade terete, 6–30 cm × 0.5–1.5 mm.

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

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

terminal racemes of 3–15 heads, 0.6–6 cm, branches ascending to erect;

primary bract erect;

heads 6–30-flowered, spheric, 6–10(–12) mm diam.

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.

tepals green to light brown, lance-subulate, 2.4–4.1 mm, nearly equal, apex acuminate;

stamens 3 or 6, anthers 1/2 to equal filament length.

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

exserted, chestnut brown, 1-locular, lance-subulate, 3.2–5 mm, apex tapering, valves separating at dehiscence, fertile throughout or only proximal to middle.

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

oblong, ellipsoid, or obovoid, 0.4–0.5 mm, not tailed.

= 40.