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.

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.

1.5–2.5(–3.5) mm, recurved in fruit.

absent.

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.

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.

depressed-ovoid, 4-locular, 1.3–2.5 mm diam.

depressed-ovoid, 3-locular, 1.5–2 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.

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.