Flora of North America species comparison

erect to trailing, dark green to light green, apex rarely flexuous.

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

petiole 2–20 mm;

blade linear-lanceolate to narrowly ovate, 1–4 × 0.5–2 cm, base truncate to weakly cordate, margins serrate, apex acute.

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 few, sessile, staminate flowers 2–20 per raceme; staminate bracts 1.5–2 mm.

terminal (often appearing leaf-opposed), glands stipitate, prominent throughout, staminate flowers 10–30 per raceme; staminate bracts 0.8–1 mm.

staminate 0.7–2 mm, persistent base 0.4–1.5 mm; pistillate 2–2.5 mm in fruit.

staminate 2.2–2.4 mm, persistent base 1.8–2 mm; pistillate 7–11 mm in fruit.

sepals 3–4, green, 1–2.2 mm;

stamens 3–6(–10), filaments 0.3–1 mm.

sepals 3–4, green, 0.9–1.1 mm;

stamens 2–3, filaments 0.2–0.3 mm.

sepals lanceolate, 0.8–2.5 mm;

styles connate 1/3–1/2 length, long-exserted;

stigmas smooth to undulate.

sepals ovate, 1.5 mm;

styles connate 1/3–1/2 length;

stigmas undulate to subpapillate.

6–8 mm wide.

5 mm wide.

dark brown, 2.5–3.5 mm.

mottled brown-purple, 2.5–3 mm.

= 44.