Flora of North America species comparison

ascending to erect, (10–)20–65 cm, glabrous or sparsely retrorsely hairy distally, not glaucous.

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

basal and cauline, not leathery, glabrous;

basal and proximal cauline 28–160(–235) × 8–25(–35) mm, blade oblanceolate to elliptic, base tapered, margins entire, apex obtuse to acute;

cauline 2–5 pairs, sessile or proximals short-petiolate, 10–130 × 3–35 mm, blade oblong to ovate or lanceolate, base truncate to clasping, margins entire, apex obtuse to acute.

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.

continuous or interrupted, cylindric, (1–)2–11(–27) cm, axis glabrous or sparsely retrorsely hairy, verticillasters 1–3(or 4), cymes (2–)4–13-flowered, 2 per node;

proximal bracts lanceolate, (5–)16–66 × (1–)4–19 mm, margins entire;

peduncles and pedicels erect, glabrous.

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.

calyx lobes oblanceolate to lanceolate, (4–)5–9 × 1.4–3.5 mm, glabrous;

corolla blue to purple or violet, without nectar guides, tubular-funnelform, 14–21 mm, glabrous externally, moderately white- or yellowish pilose internally abaxially, tube 5–6 mm, throat slightly inflated to slightly ventricose, 4–7 mm diam., 2-ridged abaxially;

stamens included, pollen sacs divergent, saccate, 0.7–1.2 mm, dehiscing incompletely, distal 1/5–1/4 indehiscent, connective not splitting, sides glabrous, sutures papillate;

staminode 7–9 mm, included, 0.4–0.7 mm diam., tip straight to slightly recurved, distal 1–2 mm densely pilose to lanate, hairs golden yellow, to 1.4 mm, medial 2–4 mm sparsely lanate;

style 8–10 mm.

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.

5–7 × 3–4 mm, glabrous.

7–10 × 4–5 mm, glabrous.

= 16, 32.

= 16.