Flora of North America species comparison

prostrate to spreading, sometimes rooting at proximal nodes;

branchlets reddish brown, flexible to ± rigid, 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;

petiole 1–2 mm;

blade flat to ± cupped, slightly folded lengthwise adaxially, narrowly oblanceolate to narrowly oblong-oblanceolate, 5–15 × 3–6 mm, base cuneate, margins thick to ± revolute, usually denticulate near apex, sometimes entire, teeth (0 or) 2–3, apex usually truncate, sometimes obtuse, abaxial surface pale green, sparsely strigillose to glabrous, adaxial surface green to grayish green, dull, glabrous, sometimes glaucous.

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

axillary, 1–1.7 cm.

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

sepals, petals, and nectary pale blue to lavender.

3–4 mm wide, weakly lobed;

valves smooth, viscid, not crested.

4–6 mm wide, lobed;

valves smooth, horns subapical, minute or weakly developed bulges, intermediate ridges absent.

= 24.

= 24.