Flora of North America species comparison

erect, purple-green, apex never flexuous.

decumbent, trailing, or erect, green to gray-green, apex flexuous.

petiole 1–4 mm;

blade orbiculate to elliptic, 2–5 × 0.8–3 cm, base acute, margins serrate to crenate, apex acute to blunt.

petiole 3–10(–15) mm;

blade ovate to triangular-ovate, 0.9–2(–3) × 0.5–1.5(–2) cm, base deeply cordate, margins serrate, apex acute.

terminal (often appearing leaf opposed), glands absent, staminate flowers 4–11 per raceme;

staminate bracts 0.8–1.2 mm.

terminal (often appearing leaf-opposed), glands stipitate, prominent throughout, staminate flowers 10–30 per raceme;

staminate bracts 0.8–1 mm.

staminate 1.5–1.9 mm, persistent base 0.4–0.6 mm;

pistillate 2.8–3.4 mm in fruit.

staminate 2.2–2.4 mm, persistent base 1.8–2 mm;

pistillate 7–11 mm in fruit.

sepals 4–5, green, 0.9–1.5 mm;

stamens 2, filaments 0.2–0.5 mm.

sepals 3–4, green, 0.9–1.1 mm;

stamens 2–3, filaments 0.2–0.3 mm.

sepals lanceolate, 1.3–2.3 mm;

styles connate 1/4 length;

stigmas undulate.

sepals ovate, 1.5 mm;

styles connate 1/3–1/2 length;

stigmas undulate to subpapillate.

9–13 mm wide.

5 mm wide.

dark brown with light brown streaks, 4–4.5 mm.

mottled brown-purple, 2.5–3 mm.

= 44.