Flora of North America species comparison

ascending to erect, (30–)40–100 cm, viscid glandular-pubescent, not glaucous.

ascending to erect, 20–80 cm, retrorsely hairy and ± glandular-lanate, retrorse hairs sometimes few or distal only, not glaucous.

basal and cauline, opposite, viscid glandular-pubescent, not glaucous;

basal and proximal cauline 25–120(–260) × 7–20(–65) mm, blade elliptic to lanceolate, base tapered, margins entire, subentire, or irregularly serrate to dentate, apex acute to acuminate;

cauline 4–10 pairs, sessile, 32–80(–120) × 12–45 mm, blade ovate to obovate, elliptic, or lanceolate, base tapered to cordate-clasping, margins entire or subentire to irregularly serrate to dentate, apex obtuse to acute or acuminate.

basal and cauline, not leathery, moderately to densely glandular-lanate, especially along major veins abaxially;

basal and proximal cauline 40–138 × 7–37 mm, blade spatulate to oblanceolate or elliptic, base tapered, margins entire or ± serrate to dentate, apex rounded to obtuse or acute;

cauline 4–7 pairs, sessile or proximals sometimes petiolate, (11–)20–110 × 3–30(–40) mm, blade ovate to lanceolate, base truncate to clasping, sometimes tapered, margins entire or crenate-serrate to dentate, apex acute to acuminate.

interrupted, cylindric, (5–)8–31 cm, axis viscid glandular-pubescent, verticillasters 3–7, cymes (1 or)2–8-flowered, 2 per node;

proximal bracts ovate, 18–60 × 11–44 mm;

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

interrupted, conic, (3–)8–37 cm, axis moderately to densely glandular-pubescent to glandular-lanate, verticillasters 3–6(or 7), cymes 3–10(–13)-flowered, 2 per node;

proximal bracts lanceolate, 6–40 × 1–10 mm, margins entire or ± serrate;

peduncles and pedicels ascending, moderately to densely glandular-pubescent to glandular lanate.

calyx lobes lanceolate, 9–15 × 2.3–3.8 mm, viscid glandular-pubescent;

corolla lavender to bluish lavender or purple, with dark violet nectar guides, ampliate, (28–)30–40 mm, glandular-pubescent externally, sparsely to moderately white-pubescent internally abaxially, tube 9–11 mm, throat gradually inflated, 12–15 mm diam., rounded abaxially;

stamens included, filaments glabrous, pollen sacs parallel, 1.6–2.2 mm, distal 1/2 indehiscent, sides glabrous, sutures denticulate, teeth to 0.2 mm;

staminode 22–26 mm, exserted, 0.8–1 mm diam., glabrous, rarely distal 2–4 mm sparsely pubescent, hairs yellow, to 0.4 mm;

style 20–26 mm.

calyx lobes ovate to broadly lanceolate, 2–5 × 1.3–2 mm, glandular-pubescent;

corolla white, without nectar guides, personate, tubular, 21–28 mm, sparsely glandular-pubescent externally, moderately to densely white-villous internally abaxially, tube 6–8 mm, throat slightly inflated, 5–8 mm diam., 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular to subexplanate, 1–1.2 mm, dehiscing completely, connective splitting, sides glabrous, sutures papillate;

staminode 13–16 mm, exserted, 0.4–0.6 mm diam., tip straight, distal 10–12 mm moderately to densely pubescent, hairs yellow, to 1.6 mm;

style 16–19 mm.

9–13 × 5–6.5 mm.

5–7 × 3–5 mm, glabrous.