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 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.

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

axillary, paniclelike, 4–17 cm.

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

sepals, petals, and nectary pale blue to blue.

3–4 mm wide, weakly lobed;

valves smooth, viscid, not crested.

4–6 mm wide, not lobed;

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

= 24.

= 24.