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, 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 suborbiculate, (3–)5-lobed, central lobe usually overtopping lateral ones, (5–)7–15(–20) × 8–16(–25) mm, base truncate, margins (3–)5-lobed, apex acute, 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 suborbiculate, (3–)5-lobed, central lobe usually overtopping lateral ones, (5–)7–15(–20) mm.

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

patent or deflexed, (5–)9–15(–20) mm, equal to or ± shorter than subtending bract, length 2–3 times calyx, eglandular-hairy (in single line 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 5–6(–7) mm, apex acute, abaxial surface usually glabrous, ciliate with 25–35 hairs per side;

corolla bright blue with bright white center, 5–7(–9) mm diam.;

stamens sky blue, 0.7–1.2 mm;

style (0.6–)0.7–0.9(–1.1) 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, 3–4 × 4.5–6 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 yellow, ellipsoid to subglobular, urn-shaped, 2.3–3.3 × 2–3 mm, 1–2.2 mm thick, weakly cristate or rugose, ± smooth.

= 14.

= 54 (Eurasia).