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–)10–30 cm, sparsely subvillous to glabrate.

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, 6–20 × 9–20 mm, base subcordate, truncate, or cuneate, margins 5–9-lobed 1/6–1/3 of width of blade, lateral lobes ± narrower, apex acute, surfaces eglandular-hairy, rarely also glandular-hairy or glabrate.

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

bracts oblong, 4–7 mm.

1–10, terminal, (50–)100–300 mm, 5–20-flowered, axis eglandular-hairy, rarely also glandular-hairy or glabrate;

bracts suborbiculate, 6–20 mm, 5- to 9-lobed for 1/6–1/3 of width of leaf blade, lateral lobes ± narrower.

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

patent or recurved, 5–15(–30) mm, equal in flower to ± longer than subtending bract in fruit, eglandular- or glandular-pilose or glabrous.

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 erect-patent, (3–)4–5 mm, apex obtuse, abaxial surfaces eglandular- or glandular-hairy, rarely glabrous, not ciliate;

corolla white, 6–12 mm diam.;

stamens 1–2 mm;

style 1–2 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 to ellipsoid, 2.5–3.5 × 3.5–4.5 mm, apex ± emarginate, eglandular- or glandular-pilose.

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

1–4, brownish orange, subglobular, urn-shaped (elaiosome inside), (2–)2.5–3.1 × (1.7–)2–2.5(–2.8) mm, 1.1–1.7 mm thick, cristate.

= 14.

= 36, 54 (Eurasia).