Flora of North America species comparison

ascending to erect, 35–80 cm, puberulent or retrorsely hairy proximally, retrorsely hairy and sparsely glandular-pubescent distally, not glaucous.

ascending to erect, 40–70 cm, spreading-puberulent or retrorsely hairy proximally, glandular-pubescent distally, not glaucous.

basal and cauline, basal sometimes withering by anthesis, not leathery, glabrous or puberulent along midveins and, sometimes, on proximal parts of blade;

basal and proximal cauline 55–170 × 15–60 mm, blade triangular-ovate to cordate or lanceolate, base tapered, margins crenate to sharply serrate, apex obtuse to acute;

cauline 4–6 pairs, sessile, 66–105 × 12–48 mm, blade ovate to lanceolate, proximals sometimes lyrate, base truncate to broadly clasping, margins crenate to sharply serrate, apex acute.

basal and cauline, not leathery, glabrate or puberulent;

basal and proximal cauline 20–70 × (5–)9–20 mm, blade oblanceolate, base tapered, margins entire or ± serrate or crenate, apex obtuse to acute;

cauline 6–9 pairs, sessile, 120–150 × 30–40 mm, blade oblong to lanceolate or ovate-lanceolate, base tapered to clasping, margins serrate to dentate, apex acute to acuminate.

interrupted, narrowly conic, (6–)10–28 cm, axis puberulent and glandular-pubescent, verticillasters 4–7, cymes (3–)5–12-flowered, 2 per node;

proximal bracts lanceolate, 56–130 × 23–55 mm, margins sharply serrate;

peduncles and pedicels ascending to erect, puberulent and glandular-pubescent.

interrupted, conic, 5–20 cm, axis glandular-pubescent, verticillasters 4–7, cymes 3–7-flowered, 2 per node;

proximal bracts ovate-lanceolate to lanceolate, 16–60(–80) × 3–45 mm, margins entire or serrate;

peduncles and pedicels ascending, glandular-pubescent.

calyx lobes ovate to lanceolate, 3.5–5 × 1.2–2.1 mm, glandular-pubescent;

corolla lavender to violet or purple, with violet nectar guides, funnelform to ventricose-ampliate, 28–35 mm, glandular-pubescent externally, moderately white-lanate internally abaxially, tube 7–8 mm, throat abruptly inflated, 9–16 mm diam., 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular, 1.3–1.5 mm, dehiscing completely, connective splitting, sides glabrous, sutures papillate;

staminode 15–18 mm, included, 0.4–0.6 mm diam., tip straight, distal 13–15 mm ± pilose, hairs yellow, to 2 mm;

style 17–20 mm.

calyx lobes lanceolate, 4–5.5 × 0.8–1.2 mm, glandular-pubescent;

corolla pale lavender to nearly white, with violet nectar guides, tubular-funnelform, 10–16 mm, glandular-pubescent externally, sparsely white-lanate internally abaxially, tube 6–7 mm, throat gradually inflated, 5–7 mm diam., slightly 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular, 0.8–1 mm, dehiscing completely, connective splitting, sides glabrous, sutures papillate;

staminode 7–8 mm, reaching orifice or slightly exserted, 0.3–0.5 mm diam., tip straight to slightly recurved, distal 4–5 mm moderately to densely pilose, hairs golden, to 1.2 mm;

style 9–12 mm.

7–10 × 4–5 mm, glabrous.

5–6 × 3.5–4 mm, glabrous.

= 16.