Flora of North America species comparison

prostrate, branched, 4-sided, 3–23 cm, internodes equaling or longer than leaves, glabrous, rarely pilose.

straggling, with erect branches, smoothly 4-angled, (20–)30–60 cm, glabrous.

sessile or short-petiolate;

blade broadly ovate to elliptic, 0.2–1.2 cm × 0.9–7 mm, base round or cuneate, margins entire, apex acute, shiny, glabrous or ciliate near base.

sessile;

blade linear-lanceolate, 1.5–5 cm × 1–4 mm, base cuneate, margins smooth, apex acute, glabrous, usually glaucous.

with flowers solitary, axillary;

bracts absent.

terminal, (1–)2–21-flowered cymes;

bracts narrowly lanceolate, 2–7 mm, herbaceous or scarious with green midrib, not ciliate.

spreading, 3–12 mm, glabrous.

ascending, 30–100 mm, glabrous.

1.5–2 mm diam.;

sepals 4–5, veins obscure, midrib sometimes apparent, ± ovate, 1.5–3.5 mm, margins narrow, scarious, apex ± obtuse, glabrous;

petals absent;

stamens 10 or fewer;

styles 3(–4), curled, shorter than 0.5 mm.

12–18 mm diam.;

sepals 5, distinctly 3-veined, lanceolate, 6–8 mm, margins wide, scarious, apex acute, glabrous;

petals 5, 7–10 mm, 1.5–2 times as long as sepals;

stamens 10;

styles 3, erect, 5–7 mm;

stigmas club-shaped.

green to pale straw colored, translucent, globose to broadly ovoid, 2.3–3.5 mm, 1.9–2 times as long as sepals, apex obtuse, opening by 6 valves;

carpophore absent.

green to straw colored, ovoid-oblong, 8–10 mm, ± equaling sepals, apex acute, opening by 6 valves;

carpophore absent.

grayish black, broadly elliptic, 0.5–0.7 mm diam., finely reticulate.

dark reddish brown, round, 1.2–1.4 mm diam., tuberculate;

tubercles shallow, round.

= 26, 52, ca. 65, ca. 78.

= 130–188 (Europe), ca. 198.