Flora of North America species comparison

erect to ascending, unbranched, (5–)10–20(–25) cm, eglandular-hairy.

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

blade ovate, 15–30 × 10–20 mm, base rounded, margins dentate or serrate, apex subacute to subobtuse, surfaces eglandular-hairy.

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

1, terminal, 10–60 mm, to 100 mm in fruit, 5–15-flowered, axis hairy;

bracts lanceolate, 2–5 mm.

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.

erect, 2–11 mm, equal to longer than subtending bract, crisp-hairy.

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

calyx lobes 4–5 mm, eglandular-ciliate, apex acuminate, glabrous or sparsely hairy;

corolla pale blue or violet, rotate, 8–10 mm diam.;

stamens 7 mm;

style 3–6 mm.

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.

compressed in cross section, oblong, 5–6(–8) × 3–4.5 mm, longer than wide, apex ± emarginate, glabrous proximally, hairy distally.

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

number unknown, brown, ovoid, flat, 1–1.5 × 0.7–1.2 mm, thickness and texture unknown.

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

= 18 (Japan, Russia).

= 18.