Flora of North America species comparison

5–6 mm diam., nodes not swollen.

erect, terete, 3 mm diam., smooth.

erect, 1–5 mm diam., smooth.

1, straw-colored, apex acute.

0 or 1–2, straw-colored, apex rounded.

basal 1, cauline 2;

auricles 0.5 mm, apex rounded, cartilaginous;

blade 7–45 cm x 1–2 mm, terete, not scabrous.

basal 1, cauline 2–3;

auricles 1–1.2 mm, apex rounded, scarious;

blade terete, 7–22 cm × 1.2–3 mm.

terminal panicles of 70–120 heads, 6–10 cm, branches ascending;

primary bract erect;

heads 3–5(–8)-flowered, obconic, 2–4 mm diam.

panicles or racemes of 3–50 heads, 2–20 cm, branches erect to ascending;

primary bract erect;

heads 5–50-flowered, obconic to spheric, 3–10 mm diam.

tepals dark reddish brown, lanceolate, apex acuminate to subulate tipte;

outer tepals 1.9–2.2 mm;

inner tepals 2–2.3 mm;

stamens 6, anthers 2 times filament length.

tepals green or straw-colored to reddish brown, lanceolate;

outer tepals 2.7–3.8 mm, apex acuminate;

inner tepals 2.9–4 mm, apex acuminate;

stamens 3(–6), anthers 1/2 filament length.

inserted with beak exserted, straw-colored, 1-locular, narrowly ovoid, 2.3–2.4 mm, tapering to subulate tip, valves separating at dehiscence.

equaling perianth or exserted, chestnut brown, imperfectly 3-locular, lanceoloid, 3.3–4.5 mm, acute proximal to beak, valves separating at dehiscence.

narrowly ovoid, 0.5–0.6 mm, not tailed;

body clear yellow-brown.

fusiform, 1.1–1.9 mm, tailed;

body covered with whitish translucent veil.

= 80.