Flora of North America species comparison

spreading, sometimes rooting at nodes;

branchlets green, sometimes tinged red, not thorn-tipped, usually round, sometimes angled, in cross section, flexible, puberulent.

petiole 3–11 mm;

blade flat, elliptic to widely ovate, 12–45 × 6–20 mm, base obtuse to rounded, margins serrulate to denticulate, not revolute, usually not wavy, sometimes wavy, teeth 27–42, apex ± obtuse to rounded, abaxial surface pale green, pilosulous, adaxial surface green, pilosulous; usually pinnately veined, rarely 3-veined from base.

petiole 2–6 mm;

blade flat, narrowly elliptic to oblong-elliptic, 13–35 × 6–15 mm, base cuneate to rounded, margins serrulate to denticulate most of length, not revolute, not wavy, teeth 34–45, apex acute to obtuse, abaxial surface pale green to grayish green and glaucous, villosulous, especially on veins, adaxial surface green, strigillose; pinnately veined or weakly 3-veined from base.

axillary, umbel-like to racemelike, 1.3–4 cm.

axillary or terminal, umbel-like to racemelike, 2–6.5 cm.

sepals, petals, and nectary usually blue to pale blue, rarely white.

sepals, petals, and nectary pale to deep blue.

4–5 mm wide, weakly lobed near apex;

valves smooth, crested.

3–4 mm wide, lobed near apex;

valves smooth, crested.

= 24.