Flora of North America species comparison

prostrate, spreading, ascending, or erect, sometimes rooting at proximal nodes;

branchlets green to brown or reddish brown, flexible to rigid, strigillose or tomentulose.

petiole 3–10 mm;

blade flat to cupped, elliptic to ovate, 10–40(–50) × 5–15(–20) mm, base obtuse to rounded, margins denticulate to serrulate, usually not revolute, sometimes incompletely revolute, teeth glandular, 23–48, apex obtuse, abaxial surface pale green, sparsely puberulent to villosulous or glabrate, veins prominently raised, puberulent to villosulous, adaxial surface dark green, glabrate; 3-veined from base.

not fascicled, not crowded;

petiole 1–4 mm;

blade flat to ± cupped or folded lengthwise adaxially, widely elliptic, obovate, or suborbiculate, 10–40(–45) × 5–24 mm, base cuneate to ± rounded, margins not revolute, sometimes slightly thickened, dentate to denticulate most of length, teeth 9–35, apex rounded, truncate, or retuse, abaxial surface pale green, sparsely strigillose or glabrate, adaxial surface dark green, ± shiny, glabrous.

terminal, usually racemelike, rarely paniclelike, 2.5–9 cm.

axillary, 0.9–2.5 cm.

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

sepals, petals, and nectary deep blue to bluish purple.

3–4 mm wide, weakly lobed;

valves smooth, viscid, not crested.

4–6 mm wide, lobed;

valves usually smooth, sometimes rugulose or crested distal to middle, horns subapical, minute, not rugose, intermediate ridges absent.

= 24.