Flora of North America species comparison

densely branching.

few–20.

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

1, straw-colored, apex acute.

basal, (1–)2–3;

auricles 2–5 mm, apex acute, membranous;

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

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.

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

primary bract usually longer 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, 3.3–4.4 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.

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 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.

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.

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

ellipsoid, 0.5–0.6 mm, not tailed;

body clear yellow-brown.

= 80.