Flora of North America species comparison

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

erect to trailing, green to reddish green, apex never flexuous.

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.

petiole 3–25(–41) mm;

blade triangular to ovate [linear], proximal broadly ovate to sometimes suborbiculate, 1.8–5 × 0.9–3.6 cm, often red-green, base truncate to cordate, margins coarsely dentate to coarsely serrate, apex acute.

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

staminate bracts 0.8–1 mm.

terminal (often appearing leaf opposed), glands sessile or absent, staminate flowers 8–40 per raceme, distally clustered [evenly distributed];

staminate bracts 1.3–1.6 mm.

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

pistillate 7–11 mm in fruit.

staminate 1.4–1.7 mm, persistent base 0.5–0.7 mm;

pistillate 2.9–3.3 mm in fruit.

sepals 3–4, green, 0.9–1.1 mm;

stamens 2–3, filaments 0.2–0.3 mm.

sepals 3–4, reddish green, 1–2 mm;

stamens 3–4, filaments 0.3–0.6 mm.

sepals ovate, 1.5 mm;

styles connate 1/3–1/2 length;

stigmas undulate to subpapillate.

sepals lanceolate [ovate], 1.4–2.3 mm;

styles connate 1/4–1/3 length;

stigmas papillate.

5 mm wide.

6–8 mm wide.

mottled brown-purple, 2.5–3 mm.

brownish black, 3–4 mm.