Flora of North America species comparison

ascending and trailing.

trailing.

petiole 5–15 mm, glabrous or pubescent, with 2 small glandular appendages in distal half;

blade ovate to broadly ovate or lanceolate, 2.5–9 × 2–6 cm (distals), membranous, base cordate or truncate, margins ciliate, apex obtuse to acute, adaxial surface usually pubescent.

petiole 1–2(–10) mm, glabrous, without glandular appendages;

blade lanceolate to elliptic or sometimes ovate, 1.5–4.5 × 0.5–2.5 cm (distals), membranous, base rounded or cuneate, margins not ciliate, apex obtuse to acute, glabrous.

1.5–4 cm, glabrous.

1.5–2.5(–3.5) cm, glabrous.

calyx lobes linear, 7–15 mm, ciliate;

corolla blue-purple, rarely violet or white, glabrous abaxially, eglandular-pubescent adaxially, tube 4–5 × 3–4 mm, throat 8–12 × 4–9 mm, lobes spreading, obliquely dolabriform, 15–20 × (3–)10–20 mm.

calyx lobes narrowly lanceolate, 3–4 mm, glabrous;

corolla blue-violet, rarely pale blue, reddish purple, or white, glabrous abaxially, eglandular-pubescent adaxially, tube 3–6 × 2–3 mm, throat 5–7 × 3–4 mm, lobes spreading, obliquely dolabriform, 10–15 × 6–15 mm.

7–10 × 2–2.6 mm.

5–7 × 2–2.3 mm.

25–50 × 2–3 mm.

20–30(–60) × 2–3 mm.

= 92.

= 46.