Flora of North America species comparison

erect or ascending, (2.5–)4–25(–35) cm, glabrous or densely glandular-hairy.

blade oblanceolate proximally, narrowly oblong distally, 5–28(–35) × 2–6(–10) mm, 3–10 times as long as wide, base cuneate, margins entire or dentate distally, apex acute, surfaces glabrous or densely glandular-hairy.

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.

1, terminal, sometimes 1 or 2 axillary, 20–200 mm, (2–)5–40-flowered, axis glabrous or densely glandular-hairy;

bracts spatulate to linear-lanceolate, 3–22 mm.

erect, to 33 cm in fruit;

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

flowers 12–100, loosely aggregated.

erect, 0.2–1(–2) mm, much shorter than subtending bract, glabrous or densely glandular-hairy.

calyx lobes (2–)3–6 mm, 0.9–2 mm wide, apex obtuse to acute, glabrous or densely glandular-hairy;

corolla white or pale pink, 2–5 mm diam.;

stamens 1 mm;

style 0.1–0.5 mm.

epipetalous.

ovules 10–16.

strongly compressed in cross section, obcordiform, 2.5–5 × 2.5–6 mm, apex ± emarginate, glabrous.

glabrous or glabrescent.

12–140, yellow or pale brown, oblong, flat, 0.6–1.6 × 0.4–0.9 mm, 0.1–0.2 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.

= 52.