Flora of North America species comparison

long- creeping.

erect, 2–5 mm diam.

first ascending, soon arcuate-stoloniferous and creeping or floating, or growing submersed along bottom, each node with cluster of basal leaves and fibrous roots, eventually each emergent terrestrial node with floriferous culm.

several.

blade absent.

basal;

auricles 0.5–1 mm, apex acutish, membranous or thicker;

blade spreading, flat, 2–10(–15) cm × 1–3 mm.

lateral, many flowered, loose;

primary bract barely exceeding to many times longer than inflorescence.

glomerules, (1–)2–10, each with 3–12 flowers, open;

primary bract usually shorter than inflorescence.

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, margins scarious;

inner series narrowly lanceolate, 5–9 mm, apex usually recurved;

outer series obviously shorter, apex usually erect;

stamens 3, filaments 1.5–3 mm, anthers 0.5–0.8 mm;

style 0.5 mm.

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

tan, 3-locular, narrowly ellipsoid, 3.5–5.5 × 0.8–1.2 mm.

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

brown, ovoid, 0.3–0.4 mm, not tailed.