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 several, cauline 1–3;

auricles absent, or essentially so;

blade flat, 0.5–3 dm × 1.5–4 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.

glomerules 1–5, each with (8–)10–30 flowers, congested to open, 2–6 cm;

primary bract 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 dark brown with green midstripe, lanceolate, 4–6 mm, margins scarious, occasionally papillose;

inner series slightly shorter;

stamens 6, filaments 1–1.3 mm, anthers 1–1.5 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 or darker, 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 0.6–0.8 mm, tails 0.2–0.4 mm.

= 80.