Flora of North America species comparison

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

petiole 10–40 mm;

blade triangular-lanceolate to triangular-ovate, 1.5–6 × 1–3.5 cm, base cordate to truncate, margins serrate, apex acute.

terminal (often appearing leaf-opposed), glands absent, staminate flowers 15–80 per raceme, distally clustered; staminate bracts 1–2 mm.

staminate 0.7–1 mm, persistent base 0.3–0.6 mm, shorter than subtending bract; pistillate 3–4 mm in fruit.

sepals 3–4, green, sometimes red-tinged, 1.2–2.3 mm;

stamens 3(–4), filaments 0.4–1 mm.

sepals lanceolate, 1.8–5 mm;

styles connate 1/3 length;

stigmas papillate.

7–9 mm wide.

dark brown with light brown streaks, 3–4 mm.