Flora of North America species comparison

long creeping.

1–8, 0.3–0.5 mm diam.

slightly compressed.

1–2.

basal, 2–4;

auricles slightly prolonged, rounded, scarious to ± leathery;

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

basal 2–5, cauline 1–3;

auricles 1–2.5 mm, apex truncate to obtuse;

blade flat, 1–3 dm × 1.5–3 mm, the cauline shorter.

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

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

glomerules 1–4(–8), each with 3–12 flowers, open or aggregate, 2–6(–10) cm;

primary bract shorter than inflorescence.

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 brown with green midstripe, lanceolate, 5–6 mm, margins scarious, sometimes papillose;

outer series slightly shorter;

stamens 6, filaments 0.5–1 mm, anthers 1.2–2 mm;

style 0.6 mm.

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

tan, 3-locular, obovoid, 3–5 mm, shorter than perianth.

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

ovoid, 0.4–0.6 mm, not tailed.

= 40.