Flora of North America species comparison

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

creeping to decumbent, 10–50(–60) cm, eglandular-hairy.

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

blade suborbiculate, broadly ovate, or broadly lanceolate, (6–)9–18(–30) × (5–)8–15(–20) mm, base truncate, margins serrate, apex acute, surfaces sparsely 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.

1–6, terminal, 100–500(–600) mm, 5–30-flowered, axis eglandular-hairy;

bracts suborbiculate or broadly ovate or broadly lanceolate, (6–)9–18(–25) mm.

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

spreading, deflexed in fruit, (12–)15–27(–38) mm, length 1–2(–3) times subtending bract, densely eglandular-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 (4.5–)5.5–8(–9.5) mm, (1.7–)2.4–3.6(–4.2) mm wide, apex acuminate, eglandular-hairy;

corolla intense bright blue, 8–14 mm diam.;

stamens 1.2 mm;

style (1.5–)2–2.8(–3.2) mm.

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

compressed in cross section, broadly obcordiform, 4–6 × (5–)6–8.5(–9.5) mm, apex acute, sinus angle (80–)90–120(–150)°, reticulate with prominent veins, ± sparsely to densely eglandular- and/or glandular-hairy or glabrate.

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

(10–)12–18(–20), pale brownish yellow, ellipsoid to globular, cymbiform, (1.3–)1.4–2.3(–2.5) × (0.8–)0.9–1.6(–1.9) mm, 0.5–1 mm thick, cristate-rugose.

= 18.

= 28.