Flora of North America species comparison

2–3 mm diam., not swollen.

1–many, occasionally becoming decumbent.

erect to decumbent (and floating), terete, 1–3 mm diam., smooth.

0–2.

1, maroon to straw-colored, apex acute to obtuse.

basal and cauline;

auricles rudimentary or absent;

blade flat, 3–13 cm × 0.3–1.1 mm.

basal 0–2, cauline (1–)3–6;

auricles 0.5–1 mm, apex rounded, scarious;

blade green to straw-colored, terete, 3.5–12 cm × 0.5–1.1 mm.

loose and diffuse or less often compact, usually at least ½1/2 total height of plant;

primary bract shorter than inflorescence.

terminal panicles of 3–30(–50) heads, 3.5–8 cm, branches spreading;

primary bract erect;

heads 3–10-flowered, obpyramidal to hemispheric, 6–8 mm diam.

bracteoles 2;

tepals greenish, lanceolate, 3.8–7(–8.5) mm;

inner series slightly shorter, apex sometimes obtuse;

stamens 3–6, filaments (0.7–)1–1.8 mm, anthers 0.3–0.8 mm;

style 0.1–0.2 mm.

tepals green to straw-colored or dark brown, ovate to lanceolate, 1.8–3 mm;

outer tepals with apex acute or acuminate;

inner tepals with apex acute acuminate to obtuse;

stamens 6, anthers equal to filament length.

tan to reddish brown, 3-locular, ellipsoid to narrowly so, slightly truncate, 2.7–4 × 1–1.5 mm, sometimes exceeding inner tepals but usually not outer series.

exserted ca. 1 mm beyond perianth, chestnut brown to dark brown, imperfectly 3-locular, ellipsoid or ovoid, 2.8–4 mm, apex acute proximal to beak, valves separating at dehiscence.

yellowish, widely ellipsoid to ovoid, 0.26–0.49, not tailed.

obovoid, 0.5 mm, not tailed.

= 27–37, 58–81, 108–115.

= 80.