Flora of North America species comparison

densely branching.

erect, 1–4 mm diam., smooth.

few–20.

1–2, straw-colored to pink, apex acute.

basal 1–3, cauline 1–2;

auricles 0.6–1.5 mm, apex rounded, scarious;

blade terete to compressed, 0.2–12 cm × 0.5–2 mm.

basal, (1–)2–3;

auricles 2–5 mm, apex acute, membranous;

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

panicles of 5–80 heads, 5–25 cm, branches ascending;

primary bract erect;

heads 2–6-flowered, ellipsoid to obovoid, 2–5 mm diam.

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

primary bract usually longer than inflorescence.

tepals green to light brown, lanceolate;

outer tepals 1.8–2.5 mm, apex obtuse to nearly acute;

inner tepals 2–2.8 mm, apex obtuse to nearly acute;

stamens 3 or 6, anthers 1/2 filament length.

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.

exserted, chestnut to dark brown, imperfectly 3-locular, obconic, 2.4–3.8 mm, apex acute proximal to beak, valves separating at dehiscence.

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.

ellipsoid to fusiform, 0.8–1.2 mm, tailed;

body covered with whitish translucent veil.

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

= 80.

= 80.