Flora of North America species comparison

thick.

1–many, occasionally becoming decumbent.

closely set along rhizomes, 2–3.5 mm diam.

0–2.

3–5.

basal and cauline;

auricles rudimentary or absent;

blade flat, 3–13 cm × 0.3–1.1 mm.

basal, 2–4;

auricles absent;

blade terete, 40–60 cm × 1–2 mm.

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

primary bract shorter than inflorescence.

glomerules, to 100, each with 2–4 flowers, congested to open, 5–19 × 2–5 cm;

primary bracts somewhat inflated, usually surpassing inflorescence.

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 straw-colored;

outer series 2.8–2.9 mm, apex acute;

inner series elliptic, 2.3–2.5 mm, apex obtuse;

stamens 6, 1.4–1.9 mm, anthers 2 times length of filaments;

style 1–1.2 mm.

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.

straw-colored, 3-locular, ovoid to ellipsoid, 2.5–3.5 × 1.2– × 1.5 mm, nearly equal to slightly exceeding perianth.

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

brown, ellipsoid, body 0.6–0.7 mm, tails 0.5–1.2 mm.

= 27–37, 58–81, 108–115.

= 40, 48.