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.

not fascicled;

petiole 4–7 mm;

blade ± cupped, elliptic to oblong, 11–35 × 8–29 mm, base cuneate to rounded, margins entire, apex obtuse to weakly retuse, abaxial surface pale green, not glaucous, sometimes puberulent on midribs, adaxial surface green, shiny, glabrous; pinnately veined.

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

axillary, paniclelike, 4–17 cm.

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

sepals, petals, and nectary pale blue to blue.

4–5 mm wide, weakly lobed near apex;

valves smooth, crested.

4–6 mm wide, not lobed;

valves smooth, not conspicuously viscid, not or weakly crested.

= 24.