Flora of North America species comparison

decumbent to erect, branched.

ascending or prostrate, branched.

light green to green, sometimes becoming reddish in terrestrial plants;

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

petiole 1–4 mm;

blade obovate to oblanceolate, 4–12(–15) × 1.2–3 mm, base narrowly cuneate, apex acute to obtuse.

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.

1.5–2.5(–3.5) mm, recurved in fruit.

to 0.1 mm, erect.

sepals 4, usually equal, sometimes 1 reduced, oblong-ovate or widely lanceolate, 0.5–0.6 × 0.3–0.4 mm;

petals 4, greenish white, slightly reddish, or pink, elliptic or ovate, 1–1.5 × 0.5–0.6 mm;

stamens 8;

styles 4.

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, 4-locular, 1.3–2.5 mm diam.

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

2–5 per locule, oblong to ellipsoid, curved 90–180°, 0.6–1 × 0.2 mm;

pits elliptic, length 1–3 times width, in 6–10 rows, (16–)20–29 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.