Flora of North America species comparison

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

erect or trailing, branched, square, weak, to 25(–35) cm, glabrous or pilose, never papillate.

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 or subsessile;

blade ovate to elliptic, rarely oblong, widest proximal to middle, 5–25 mm, thin, base round, margins entire, apex acute, glabrous or rarely ciliate.

with flowers solitary, axillary;

bracts absent.

terminal, 1–5-flowered cymes;

bracts foliaceous.

spreading, 3–12 mm, glabrous.

ascending, not reflexed, 5–25(–50) 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.

3–5 mm;

sepals 5, obscurely veined, ovate, 2–2.5 mm (rarely 3.5 in fruit), margins broad, scarious, apex broadly acute, glabrous;

petals absent or 1–5, 1–1.5 mm, shorter than sepals, blade apex deeply lobed;

stamens 5;

styles 3, usually curved, 0.4–0.9 mm.

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, semitransparent, globose to broadly ovoid, 3–5 mm, to 1.5 times as long as broad, longer than sepals, apex obtuse, opening by 3 valves;

carpophore absent.

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

brown, ovate, 0.5–0.9 mm, smooth or shallowly tuberculate.

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

= 26.