Flora of North America species comparison

ascending or prostrate, branched.

erect or ascending, usually unbranched, sometimes 1–2 branched.

reddish green;

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

petiole 0.5–1(–3) mm;

blade oblong-lanceolate, 3–8 × (0.5–)1–2(–2.2) mm, base attenuate to rounded, apex obtuse to slightly emarginate.

green;

stipules lanceolate, 0.2 mm, margins entire, apex rounded;

petiole 0–1 mm;

blade elliptic to oblanceolate or spatulate, 0.3–5(–11) × 0.7–1.8(–4) mm, base rounded to truncate, apex obtuse-acute.

0–0.5 mm, erect.

0–0.2 mm, erect.

sepals (2–)3, if 2, equal, if 3, 1 smaller, oblong-ovate or widely lanceolate, 1–1.5 × 1–1.5 mm;

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

stamens 3;

styles 3.

cleistogamous when submersed;

sepals 2, equal, ovate to oblong, 0.5 × 0.3 mm;

petals 2, reddish, long-elliptic, elliptic, or ovate, 1–1.5 × 0.5 mm;

stamens 2;

styles 2.

oblong-ovoid, 3-locular, 1.5–2.5 mm diam.

oblong-ovoid, 2-locular, 0.9–1.5 mm diam.

10–20(–30) per locule, narrowly oblong, straight or curved to 15°, 0.5–0.7 × 0.1–0.3 mm;

pits angular-hexagonal, length 1–2 times width, in 8–10 rows, 16–25(–30) per row.

4–9 per locule, thickly cylindric to barrel-shaped, straight, 0.4–0.5(–0.7) × 0.2(–0.3) mm;

pits elliptic, length 1.2–1.6 times width, in 8–9 rows, (11–)15–20 per row.