Flora of North America species comparison

erect, purple-green to reddish black, apex never flexuous.

erect to trailing, gray-green, apex often flexuous.

petiole 1–5 mm;

blade oblong to oblanceolate, 3–7 × 1–2.8 cm, base acute to obtuse, margins coarsely serrate, teeth apices often somewhat recurved, apex acute.

petiole 4–20(–30) mm;

blade usually triangular to subhastate, sometimes ovate, 1–4.5 × 0.8–3 cm, base cordate, hastate, or truncate, margins crenate to serrate, apex acute to obtuse.

terminal (appearing leaf opposed), glands absent, staminate flowers 2–5 per raceme;

staminate bracts 1–2 mm.

terminal or axillary, glands absent, staminate flowers 5–16 per raceme;

staminate bracts 0.9–2 mm.

staminate 1.3–1.6 mm, persistent base 0.2–0.4 mm;

pistillate 2–3 mm in fruit.

staminate 0.7–1.2 mm, persistent base 0.2–0.8 mm;

pistillate 1.5–4 mm in fruit.

sepals 3–4, green, 1.5–2.5 mm;

stamens 4–5, filaments 0.7–1.3 mm, connate 1/2 length.

sepals 3–4, green, 0.9–1.2 mm;

stamens 3–4, filaments 0.2–0.7 mm.

sepals rhombic-lanceolate, 1–4 mm;

styles connate 1/4 length;

stigmas undulate.

sepals lanceolate, 1–2.5 mm;

styles connate to 1/3 length, short-exserted;

stigmas undulate to subpapillate.

6–7 mm wide.

7–8 mm wide.

dark brown, 2.5–3.2 mm.

brown with tan mottling, 2.5–3.5 mm.

= 110.