Flora of North America species comparison

long- creeping.

erect, 2–5 mm diam.

erect, 1–5 mm diam., smooth.

several.

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

blade absent.

basal 1, cauline 2–3;

auricles 1–1.2 mm, apex rounded, scarious;

blade terete, 7–22 cm × 1.2–3 mm.

lateral, many flowered, loose;

primary bract barely exceeding to many times longer than inflorescence.

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.

variously pedicellate;

bracteoles membranous;

tepals greenish to pale brown, lanceolate, 3.5–5 mm;

inner series loosely subtending capsule at maturity, usually slightly shorter, margins scarious to clear, acutish;

stamens 6, filaments 0.3–0.9 mm, anthers 1–2.5 mm;

style 1–1.5 mm.

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.

dark brown, 3-locular, oblate to narrowly ovoid, 3–4 mm, nearly equal to perianth.

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

dark amber, oblate to ellipsoid, 0.5–0.8 mm.

fusiform, 1.1–1.9 mm, tailed;

body covered with whitish translucent veil.

= 80.