Flora of North America species comparison

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

erect or ascending, light grayish green distally, unbranched, (3–)8–50 cm, sparsely to densely villous-hirsute, sometimes also 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.

blade elliptic to lanceolate or oblong-ovate, 8–40 × 5–20 mm, base cuneate, margins entire, dentate, or serrate, apex short-acuminate, surfaces sparsely to densely villous-hirsute or glabrous.

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.

1, terminal, 5–40 mm, to 60(–150) mm in fruit, (2–)5–25-flowered, axis densely villous-hirsute and ± glandular-hairy;

bracts linear to lanceolate, 1–8 mm.

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

erect, 2–10(–15) mm, ca. equal to subtending bract, densely villous-hirsute or 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.

calyx lobes (2.5–)3–5.5(–7) mm, apex obtuse or acuminate, glabrous or densely glandular-hairy;

corolla deep blue-violet or violet-purple to deep blue, rotate, 3–11 mm diam.;

stamens 1–2 mm;

style 0.8–4(–6) mm.

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

compressed in cross section, oblong-obovoid, 4–6(–8) × (2.8–)4–5.5 mm, ca. as long as wide, apex emarginate, usually densely glandular-hairy.

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

10–50, straw colored, ellipsoid, flat, 0.7–1 × 0.4–1 mm, 0.05–1 mm thick, very minutely striate.

= 52.