Flora of North America species comparison

erect or ascending, 15–60(–80) cm, glabrous or glandular-hairy distally.

petiole 0 mm;

blade oblong-ovate to oblong-lanceolate, (5–)25–50(–100) × 4–15(–30) mm, 2.5–5 times as long as wide, base amplexical-truncate or amplexical-subcordate, margins entire or subentire, apex acute, surfaces glabrous.

persistent, some withering in 2d year as new leaves expand;

blade orbiculate to reniform, 25+ mm wide, not leathery, base cordate to lobate, margins ± incised-crenate to dentate, teeth apices rounded to acute or acuminate, surfaces glabrous, rarely sparsely hairy;

basal veins extending into distal 1/2 of blade, lateral veins 2–4 on each side of midvein.

10–25, axillary, 100–160 mm, 15–25-flowered, axis glabrous or glandular-hispid;

pedicels less than 3 per cm, glabrous or scarcely to densely short glandular-hairy, rarely completely glabrous;

bracts oblong, 3–5 mm, apex obtuse.

erect, to 33 cm in fruit;

sterile bracts 3+, ovate-spatulate, largest 1+ cm;

flowers 12–100, loosely aggregated.

patent, (3–)5–10 mm, equal to or ± shorter than subtending bract, glabrous or glandular-hairy.

calyx lobes 2.5–3 mm, apex obtuse, glabrous or glandular-hairy;

corolla white to pale pink with darker veins not reaching margins, 4–5 mm diam.;

stamens 5 mm;

style (1.3–)1.5–2.5 mm.

epipetalous.

ovules 10–16.

± compressed in cross section, subglobular, 2.5–3(–3.5) × 3–4 mm, apex emarginate, sinus 0.1–0.3 mm, glabrous or glandular-hairy.

glabrous or glabrescent.

26–123, yellow-brown, ellipsoid to subglobular, planoconvex, 0.4–0.7 × 0.3–0.5 mm, 0.2–0.3 mm thick, smooth.

4.

(3 or)4(or 5), apex entire or erose;

corolla blue, ± regular, campanulate, much longer than calyx, glabrous or puberulent, tube conspicuous.

= 36.