Flora of North America species comparison

densely branching.

long creeping.

few–20.

erect, slightly compressed, never rooting at nodes.

basal, (1–)2–3;

auricles 2–5 mm, apex acute, membranous;

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

basal 2–4, cauline 2–3;

auricles 1–3 mm, apex rounded to acutish, membranous;

blade flat, 10–30 cdm × 2–4 mm, reduced distally, margins occasionally papillose.

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

primary bract usually longer than inflorescence.

glomerules, usually 3–9, each with 3–8(–10) flowers, open, 2–9 cm;

primary bract much shorter than inflorescence.

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.

tepals yellow-brown with green midstripe, lanceolate, 5–6.5 mm, margins clear;

outer and inner series nearly equal, adaxially papillose;

stamens 6, filaments 0.5–1 mm, anthers 1.8–2.6 mm;

style 0.6 mm.

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.

tan, 3-locular, obovoid, 3–5 mm, shorter than perianth.

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

ovoid, body 0.5–0.7 mm, tails 0.2–0.4 mm.

= 80.