Flora of North America species comparison

ascending, unbranched, 5–15 cm, densely glandular-hairy.

erect to ascending, (8–)10–20(–40) cm, glandular- and eglandular-hairy.

blade oblong-elliptic, (5–)10–15(–35) × 4–8 mm, base cuneate, margins entire, apex short-acuminate, surfaces hairy.

blade lanceolate to ovate, 7–19(–21) × (3–)5–12 mm, 1–2 times as long as wide, base cuneate, margins (proximal) crenate-dentate or (distal) ±palmatifid, lobes 3–7+, apex of central lobe obtuse, lateral ± acute, surfaces glandular- and eglandular-hairy.

1, terminal, distalmost leaves often with 1 or 2 axillary flowers, 10–80 mm, (3–)5–15-flowered, axis glandular-hairy;

bracts lanceolate, 3–5 mm.

1, terminal, 60–180 mm, 15–50(–120)-flowered, axis eglandular- and glandular-hairy;

proximal bracts similar to leaves, distal ones linear-lanceolate, 3–5 mm.

erect, 5–8 mm, equal to ± longer than subtending bract, densely glandular-hairy.

erect, 2–4(–5) mm, shorter than subtending bract, length 1/2–1 times calyx, eglandular- and glandular-hairy.

calyx 4(or 5)-lobed, lobes (1–)2–3 mm, apex obtuse, glandular-hairy;

corolla pale blue to purple, rotate, 8–10 mm diam.;

stamens 4–5 mm;

style 7 mm.

calyx lobes 3.5–6 mm, apex acute, eglandular- and glandular-hairy;

corolla deep blue, 4–6 mm diam.;

stamens 0.8–1.5 mm;

style 0.8–1.5 mm, stigma violet.

compressed in cross section, broadly oblong, 5–6 × 3.5 mm, longer than wide, apex emarginate, glandular-hairy.

compressed in cross section, narrowly obcordiform, 3.5–4.5 × 4–6 mm, apex emarginate, angle of sinus ca. 90°, ciliate with glandular and eglandular hairs.

number unknown, brown, ovoid, flat, 1–1.2 × 0.7–1.1 mm, thickness and texture unknown.

10–28, yellowish, ellipsoid, flat, 0.9–1.6 × 0.7–1.3 mm, 0.2–0.3 mm thick, smooth.

= 18.

= 16 (Eurasia).