Flora of North America species comparison

petiole 2–6(–10) mm;

blade not aromatic, flat, usually elliptic to lanceolate, sometimes ovate or oblanceolate, (20–)25–70 × 10–30 mm, herbaceous, not resinous, base cuneate to rounded, margins serrate to serrulate, teeth (37–)45–71, apex acute to obtuse, abaxial surface pale green, glabrous or puberulent, especially on veins, adaxial surface dark green, dull, villosulous or 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, umbel-like, globose to hemispheric, 4–8 cm.

axillary, racemelike, 3–8 cm.

sepals, petals, and nectary white.

sepals and petals pale to deep blue;

nectary blue.

3–5 mm wide, lobed;

valves smooth, usually not crested, sometimes weakly crested near apex.

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

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

= 24.