Flora of North America species comparison

1–many, occasionally becoming decumbent.

erect or decumbent and rooting at nodes, or floating, terete, 1–2 mm diam., smooth.

0–2.

1, straw-colored, apex acute.

basal and cauline;

auricles rudimentary or absent;

blade flat, 3–13 cm × 0.3–1.1 mm.

basal 1, cauline 0–1;

auricles 0.4–1 mm, apex acute, scarious;

blade terete, occasionally filiform, flaccid, forming carpets, 2–10 cm × 0.8–1.4 mm.

loose and diffuse or less often compact, usually at least ½1/2 total height of plant;

primary bract shorter than inflorescence.

terminal racemes of 1–8(–30) heads, or single head, 2–10 cm, branches erect;

primary bract erect;

heads 2–6(–15)-flowered, obconic, 4.5–6.5 mm diam.

bracteoles 2;

tepals greenish, lanceolate, 3.8–7(–8.5) mm;

inner series slightly shorter, apex sometimes obtuse;

stamens 3–6, filaments (0.7–)1–1.8 mm, anthers 0.3–0.8 mm;

style 0.1–0.2 mm.

often forming bulbils;

tepals pale brown, ovate to lanceolate or inner oblong, 2–3.6 mm, nearly equal, apex acute to obtuse;

stamens 3 or 6, anthers 3/4 to equal filament length.

tan to reddish brown, 3-locular, ellipsoid to narrowly so, slightly truncate, 2.7–4 × 1–1.5 mm, sometimes exceeding inner tepals but usually not outer series.

equaling perianth or exserted (to 0.5 mm beyond tepals), chestnut brown, 1-locular, cylindric, 2.5–4 mm, apex obtuse proximal to beak, valves separating at dehiscence.

yellowish, widely ellipsoid to ovoid, 0.26–0.49, not tailed.

ellipsoid, 0.5–0.6 mm, not tailed;

body clear yellow-brown.

= 27–37, 58–81, 108–115.