Flora of North America species comparison

ascending or prostrate, branched.

ascending or prostrate, branched.

usually green, sometimes reddish green;

stipules triangular, 0.5–0.6 mm, margins entire, apex acute;

petiole 1–3 mm;

blade obovate to broadly spatulate, 3–4(–8) × 0.5–2.5 mm, base cuneate to rounded, apex obtuse to slightly emarginate.

green;

stipules lanceolate, 0.5–0.6 mm, margins dentate, apex acute;

petiole 0.5–3 mm;

blade obovate to broadly spatulate, 3–8 × 0.5–3.5 mm, base attenuate or cuneate, apex rounded to shallowly emarginate.

absent.

to 0.1 mm, erect.

sepals 2–3, if 2, equal, if 3, 1 smaller, oblong, 0.5 × 0.3 mm;

petals 3, pinkish white to reddish, elliptic to ovate, 1–1.5 × 0.5 mm;

stamens 3;

styles 3.

cleistogamous when submersed;

sepals (2–)3, equal or 1 reduced, oblong-ovate or widely lanceolate, 0.5 × 0.3–0.5 mm;

petals 3, greenish white or pinkish white to reddish, elliptic or ovate, 0.6–1.2 × 0.5 mm;

stamens 3;

styles 3.

depressed-ovoid, 3-locular, 1.5–2 mm diam.

oblong-ovoid, 3-locular, 1.5 mm diam.

23–33 per locule, ellipsoid, straight or curved to 20°, 0.4–0.5 × 0.1–0.2 mm;

pits angular-hexagonal, length 3–5 times width, in 6 rows, 16–25(–35) per row.

9–12 per locule, slenderly cylindric, ± straight, 0.4–0.6 × (0.1–)0.2 mm;

pits angular-hexagonal, length 2–3 times width, in 6(–8) rows, (13–)16–25(–30) per row.

= 36.