Flora of North America species comparison

densely branching.

3–4 diam.

few–20.

erect, terete, 3–4 mm diam., smooth.

1–2, purple, apex acute.

basal, (1–)2–3;

auricles 2–5 mm, apex acute, membranous;

blade flat, 3–12 cm × 0.5–1 mm, margins entire.

basal 0–1, cauline 2–3;

auricles 0.5–2 mm, apex acute, membranaceous;

blade terete, 0–24 cm × 0.5–1.7 mm, most distal cauline leaf blade 0–2 cm, shorter than sheath.

5–40-flowered, borne congested or branch internodes ca. as long as tepals, ssomewhat loose, 1–5 cm;

primary bract usually longer than inflorescence.

panicles of (1–)3–21 heads, 1–8 cm, branches erect to spreading;

primary bract erect;

heads 40–60-flowered, spheric, 8–12 mm diam.

bracteoles 2;

tepals greenish, lanceolate, 3.3–4.4 mm;

outer and inner series nearly equal;

stamens 6, filaments 0.5–0.9 mm, anthers 0.1–0.2 mm;

style 0.1–0.2 mm.

tepals straw-colored to reddish brown, lanceolate-subulate;

outer tepals 2.9–4.1 mm, apex acuminate;

inner tepals 2.2–3.7 mm, apex acuminate;

stamens 3, anthers 1/4–1/2 filament length.

tan or light brown, 1-locular to pseudo-3-locular, ellipsoid, (3.3–)3.8–4.7 × (1.1–)1.3–1.7 mm, nearly equal to tepals.

exserted, , straw-colorerd, 1-locular, subulate, 2.5–4.2 mm, apex tapering to subulate beak, valves not separat ing at dehiscence, fertile throughout or only proximal to middle.

tan, ellipsoid to lunate, (0.52–)5.5–0.65(–0.7) mm, not tailed.

ellipsoid to ovoid, 0.4 mm, not tailed;

body clear yellow-brown.

= 80.