Flora of North America species comparison

± slender.

slender.

erect to ascending or prostrate, usually much-branched proximally;

main stem 0.6–2(–3) mm diam. proximally.

erect to diffusely spreading, much-branched proximally and distally;

main stem 0.3–0.7 mm diam. proximally.

stipules inconspicuous, dull white, broadly triangular, 1.2–3.5 mm, longer than wide, apex acute to short-acuminate;

blade linear, (0.8–)1.5–4 cm, fleshy, apex blunt to apiculate;

axillary leaf clusters usually absent.

stipules inconspicuous, silvery to dull tan, broadly triangular, 1.5–2 mm, apex acuminate;

blade linear, 0.6–2.3 cm, somewhat fleshy, apex blunt to apiculate;

axillary leaf cluster usually absent.

reflexed and oriented to 1 side in fruit.

erect to reflexed in fruit.

sepals connate 0.5–1 mm proximally, lobes often 3-veined, ovate to elliptic, 2.5–4.5 mm, to 4.8 mm in fruit, margins 0.1–0.5 mm wide, apex acute to rounded;

petals white or pink to rosy, ovate to elliptic-oblong, 0.8–1 times as long as sepals;

stamens (1–)2–3(–5);

styles 0.4–0.7 mm.

sepals connate 0.2–0.5 mm proximally, lobes 1-veined or not, lanceolate to ovate, 2.3–3.1 mm, enlarging little in fruit, margins 0.1–0.3 mm wide, apex obtuse to rounded;

petals white, elliptic to ovate, 0.7–0.8 times sepals;

stamens 4–7;

styles 0.4–0.6 mm.

greenish to tan, 2.8–6.4 mm, 1–1.5 times as long as sepals.

greenish tan, 2.5–2.8 mm, 0.9–1.2 times sepals.

light brown to reddish brown, with submarginal groove, broadly ovate, ± plump, 0.5–0.7(–0.8) mm, dull, ± smooth, often with gland-tipped papillae (30x);

wing usually absent or incomplete.

black, often with silvery, not iridescent tinge, with submarginal groove, pyriform, somewhat compressed, 0.4–0.6 mm, shiny, sculpturing of low, elongate tubercles, not papillate (40x);

wing absent.

simple to 3+-compound or flowers solitary and axillary.

simple but commonly 4–8+-compound.

= 18? (Asia), 36 (Europe).

= 18 (Europe).