Flora of North America species comparison

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;

petiole 1.5–5 mm;

blade flat, oblong-elliptic to elliptic, 6–25 × 3–13 mm, base cuneate, margins usually entire, sometimes denticulate distally, teeth 3–5, apex acute to obtuse, abaxial surface pale green, usually glabrous, veins sometimes strigillose, adaxial surface green, ± shiny, glabrous; pinnately veined or ± 3-veined from base.

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

axillary, racemelike, 3–8 cm.

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

sepals and petals pale to deep blue;

nectary blue.

3–4 mm wide, weakly lobed;

valves smooth, viscid, not crested.

4–5 mm wide, usually not lobed, sometimes weakly lobed;

valves smooth, weakly viscid, usually not crested, sometimes weakly crested.

= 24.

= 24.