Flora of North America species comparison

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

ascending, (5–)15–45(–80) cm, glabrous, sometimes sparsely eglandular-hairy distally.

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.

petiole 0 mm;

blade narrowly lanceolate or linear, rarely elliptic, (10–)30–50(–80) × (2–)3–7(–14) mm, 6–10 times as long as wide, base cuneate, margins remote- and fine-dentate, apex acute, abaxial surface glabrous, adaxial glabrous or sparsely eglandular-hairy.

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

bracts oblong, 4–7 mm.

1–5(–10), axillary, 40–90(–150) mm, (2–)5–20-flowered, axis glabrous, sometimes sparsely eglandular-hairy;

bracts lanceolate, 1.5–3 mm.

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

patent or ± curled, (6–)10–15(–17) mm, longer than subtending bracts, 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 (1–)2–3 mm, apex obtuse to acute, glabrate;

corolla pale lilac, pale sky blue, or whitish, with pink or dark blue narrow stripes, 2.5–7 mm diam.;

stamens 4–5 mm;

style (1–)2–4 mm.

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

compressed in cross section, ovoid or reniform, 2.5–5 × (3–)4–6 mm, apex emarginate by 1/3 length, glabrous.

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

5–20, pale brownish, globular or ovoid, flat, 1.2–1.9 × 1–1.5 mm, 0.2 mm thick, smooth.

= 14.

= 18.