Flora of North America species comparison

decumbent, freely branched, square, 2–20 cm, glabrous, rooting at proximal nodes.

decumbent or ascending, diffusely branched, 4-sided, 5–40 cm, with single line of hairs along each internode.

sessile;

blade elliptic to elliptic-lanceolate, 0.4–1.5 cm × 1–5 mm, succulent, base cuneate to rounded, margins entire, apex acute to obtuse, glabrous or with few cilia along margins.

petiolate (proximal) or ± sessile (distal);

blade usually green, ovate to broadly elliptic, 0.5–4 cm × 2–20 mm, base round to cuneate, margins entire, apex acute or shortly acuminate, ± glabrous or ciliate at base.

with flowers solitary in axils of foliage leaves;

bracts absent.

terminal, 5–many-flowered cymes;

bracts ovate and shortly acuminate to lanceolate-acute, 1–40 mm, herbaceous.

ascending, straight or nearly so, usually 5–10(–30) mm, glabrous.

ascending, usually straight, deflexed at base in fruit, 3–40 mm, usually with line of hairs.

ca. 10 mm diam.;

sepals 5, prominently 1–3-veined, lanceolate, 4–5 mm, margins convex, narrow, scarious, apex acute, glabrous;

petals 5, 4–6 mm, equaling sepals;

stamens 10;

styles 3, ascending and outwardly curved, 1–1.5 mm.

2–5 mm diam.;

sepals 5, with obscure midrib, ovate-lanceolate, 4.5–5(–6) mm, margins narrow, scarious, apex obtuse, usually glandular-hairy;

petals absent or 5, 1–4 mm, shorter than to equaling sepals;

stamens 3–5(–8);

anthers red-violet;

styles 3, outwardly curved, becoming curled, 0.5–1 mm.

straw colored, ovoid, 4–5 mm, equaling sepals, apex obtuse, opening by 6 valves;

carpophore absent.

green to straw colored, ovoid-oblong, 3–5 mm, somewhat longer than sepals, apex obtuse, opening by 6 valves;

carpophore absent.

pale brown, broadly and obliquely reniform, 0.8–1 mm diam., smooth to slightly rugose.

reddish brown, broadly reniform to round, 0.9–1.3 mm diam., with obtuse, round, or flat-topped (broader than tall) tubercles.

= 26.

= 40, 42, 44.