Flora of North America species comparison

creeping to ascending, 5–40 cm, scattered eglandular hairs only, often also with glandular hairs, sometimes glabrate.

decumbent to ascending, sometimes erect in young plants, 5–40(–50) cm, eglandular-hairy.

blade oblong-lanceolate to ovate, 8–25 × 5–13 mm, 1.5–2.5 times as long as wide, base cuneate, margins subentire or serrulate-crenate, apex rounded to short-acuminate, surfaces glabrate.

blade ovate to broadly ovate, 5(–7)-lobed, central lobe longer than wide and broadest, (7–)9–15(–25) × (7–)9–17(–27) mm, base truncate, margins 5(–7)-lobed, apex obtuse to rounded, surfaces sparsely eglandular-hairy.

1, terminal, 50–100 mm, 10–30(–60)-flowered, axis eglandular- and glandular-hairy;

bracts oblong, 4–7 mm.

1–10, terminal, 50–400(–500) mm, 5–20-flowered, axis eglandular-hairy;

bracts broadly ovate, 5(–7)-lobed, central lobe longer than wide and broadest, (7–)9–15(–25) mm.

erect, 2–5 mm, 4–6 mm in fruit, shorter than subtending bract in flower, eglandular- and, sometimes, glandular-hairy.

patent or deflexed, (7–)10–18(–24) mm, ± longer than subtending bract, length 3–4(–6) times calyx, eglandular-hairy (densely adaxially).

calyx lobes 2–3 mm, apex acute, ciliate;

corolla white, blue, or pink, with purple or dark blue veins (except on abaxial lobe), rotate, 5–8 mm diam.;

stamens 2.5–3 mm;

style 2–4 mm.

calyx lobes 3–4 mm, apex acute, sparsely hairy on abaxial surface or glabrous, ciliate with 25–35 hairs per side;

corolla pale violet to whitish, 4–5(–6) mm diam.;

stamens pale violet, 0.4–0.8 mm;

style 0.2–0.7 mm.

compressed in cross section, obcordiform, 2.5–3.5 × 4–5.5 mm, wider than long, apex acutely emarginate, glandular-ciliate, otherwise glabrate.

± round in cross section, ovoid, 2–3 × 3.5–5 mm, apex ± emarginate, glabrate.

50–72, brown, ellipsoid, flat, 0.6–1.1 × 0.4–1 mm, 0.2 mm thick, smooth.

1–4, bright reddish brown, broadly ovoid to subglobular, urn-shaped, 2.2–2.7 × 2–2.4 mm, 1–1.8 mm thick, transverse ribs inconspicuous, thinner towards margin, margins strongly involute.

= 14.

= 36 (Europe).