Flora of North America species comparison

2–4 mm diam., not swollen.

poorly developed.

erect, terete, 1–3 mm diam., smooth.

erect, compressed, bases often swollen.

0–1, straw-colored or maroon, apex acute.

basal 0–2, cauline 1–2(–5);

auricles 0.5–1.2 mm, apex rounded, scarious;

blade green to straw-colored, terete, 1.5–12 cm × 0.5–1.1 mm.

basal 2–4, cauline 1–3;

auricles 0.5–1 mm, apex rounded to nearly acute;

blade flat, 3–15 cm × 1–2.5 mm.

terminal panicles of 5–25 heads, 3–11 cm, branches erect to ascending;

primary bract erect;

heads 2–10-flowered, obpyramidal, usually with some flowers short- pedicellateled, 2–6 mm in diam.

glomerules, (1–)2–5(–10), each with (3–)6–15 flowers, open;

primary bract shorter than inflorescence.

tepals greenish to straw-colored, lanceolate to oblong;

outer tepals 1.8–3 mm, apex obtuse, mucronate;

inner tepals 1.6–2.7 mm, apex obtuse;

stamens 6, anthers 1/2 filament length.

tepals straw-colored with green midstripe, lanceolate or widely so, 3.5–5 mm, margins sometimes clear;

outer and inner series nearly equal;

stamens 3, filaments 1.5 mm, anthers 0.5 mm;

style 0.5 mm.

equaling perianth to usually exserted, chestnut brown to straw-colored, imperfectly 3-locular, oblong to oblong-ovoid, 2.3–3.5 mm, apex obtuse, valves separating at dehiscence.

tan to reddish brown, 3-locular, obovoid, 2.6–3.2 mm, shorter than perianth.

oblong to ovoid, 0.5–0.7 mm, not tailed.

fusiform, 0.5–0.6 mm, not tailed.

= 40.