Flora of North America species comparison

decumbent or ascending, 5–50 cm, glabrous.

petiole 2–6(–10) mm;

blade ovate to lanceolate, widest proximal to middle, (5–)30–50(–100) × (3–)7–20(–30) mm, 2–4 times as long as wide, base truncate, rounded or almost cordate, abruptly turning into petioles, margins entire or serrate, apex obtuse-orbicular or acute, surfaces glabrous.

1–8, axillary, 30–100 mm, (3–)10–30-flowered, axis glabrous;

bracts lanceolate, 3–6 mm.

patent, 3–10(–12) mm, equal to ± longer than subtending bract, glabrous.

calyx lobes 2–5(–6) mm, apex acute, glabrous;

corolla pink or sky blue, 4–10 mm diam.;

stamens 2–4 mm;

style (1.7–)2.5–3.5(–4) mm.

slightly compressed in cross section, globular, 2–4 × 3–5 mm, apex not or ± emarginate, glabrous.

20–30, brownish, ellipsoid to ovoid, indistinct-compressed or planoconvex, 0.5–0.7 × 0.3–0.6 mm, thickness varies due to compression in capsule, indistinctly wrinkled or ± rugose.

= 36.