Flora of North America species comparison

2–3 mm diam., not swollen.

densely branching.

erect, terete, 2–4 mm diam., smooth or rugulose.

1–20.

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

1–3.

basal 1–2, cauline 1–2;

auricles 1–4.9 mm, , apex rounded, membranaceous;

blade green to straw-colored, terete, 20–30 cm × 1.5–4 mm, rugulose or smooth.

basal, 2–3;

auricles yellowish, 0.2–0.4 mm, leathery;

blade flat, 5–30 cm × 0.5–1 mm, margins entire, turned up, occasionally involute.

terminal panicles of 25–66 heads, 7–13 cm, branches spreading;

primary bract erect;

heads 6–10-flowered, hemispheric to obovoid, 5–10 mm diam.

compact and few flowered to loose and lax with to 80 flowers, 1.5–5(–9) cm;

primary bract usually exceeding inflorescence.

tepals straw-colored to brown, lanceolate, apex acuminate;

outer tepals (2–)2.5–3.4 mm;

inner tepals (2–)2.6–3.6 mm;

stamens 6, anthers 1.5–2 times filament length.

bracteoles 2;

tepals greenish, lanceolate, 4–5 mm;

inner series nearly equal, spreading in fruit, nearly equal to or exceeding capsule;

stamens 6, filaments 0.8–1.2 mm, anthers 0.6–1 mm;

style 0.2 mm.

exserted, chestnut brown, 1-locular, subuloidsubulate, (2.4–)3–3.9 mm, apex tapering to subulate tip, valves separating at dehiscence.

tan, 1-locular to pseudo-3-locular, ellipsoid, 2.9–3.6 × 1.5–1.9 mm.

obovoid, 0.3–0.4 mm, not tailed.

tan to amber, ellipsoid to lunate, 0.4–0.67 mm, not tailed.

= 40.

= ca. 84.