Flora of North America species comparison

ascending to erect, (30–)60–100 cm, slightly glaucous or not.

ascending to erect, 18–50 cm, glabrous, not glaucous.

basal and proximal cauline 20–165 × 12–50 mm, blade ovate to lanceolate, base tapered, margins finely to coarsely dentate, apex obtuse to acute;

cauline 4–7 pairs, sessile or proximals short-petiolate, 45–90 × 22–76 mm, blade ovate to triangular, base tapered or sessile on proximals, auriculate-clasping to connate-perfoliate on distal ones, margins finely to coarsely dentate, apex acute.

basal and cauline, or basal sometimes reduced, not leathery, glabrous, not glaucous;

basal and proximal cauline 35–80(–120) × 4–13 mm, blade oblanceolate, base tapered, margins entire, apex rounded to obtuse, or acute;

cauline 3–5 pairs, sessile or proximals sometimes short-petiolate, 20–110 × 5–18 mm, blade oblanceolate to lanceolate, rarely linear, base tapered to clasping, apex obtuse to acute.

interrupted or continuous, secund, (6–)12–48 cm, axis glabrous, verticillasters 4–13, cymes 1–3(–6)-flowered;

proximal bracts ovate (connate-perfoliate) or lanceolate (auriculate-clasping), (9–)16–55 × 10–60 mm;

peduncles and pedicels ascending to erect, glabrous or glandular-pubescent.

interrupted or continuous, secund, 4–17 cm, axis glabrous or ± glandular distally, verticillasters 4–11, cymes 2- or 3(–5)-flowered, 2 per node;

proximal bracts lanceolate, 10–50 × 4–16 mm;

peduncles and pedicels glandular to glandular-pubescent, peduncles to 7 mm, pedicels 2–11 mm.

calyx lobes ovate, 3–5.5 × 2–3.2 mm, glabrous or glandular-pubescent;

corolla rose pink, with reddish purple nectar guides, strongly bilabiate, ventricose, (18–)25–34 mm, glandular-pubescent externally, glandular-pubescent internally, tube 6–9 mm, length 1.6–2 times calyx lobes, throat gradually inflated, ± constricted at orifice, 7–10 mm diam., rounded abaxially;

stamens: longer pair reaching orifice, filaments of shorter pair glandular-puberulent proximally, pollen sacs explanate, 1.5–2 mm, sutures smooth;

staminode 11–17 mm, included, 0.2–0.4 mm diam., tip straight to recurved, glabrous or distal 1–2 mm sparsely to moderately lanate, hairs yellow, to 1 mm;

style 20–25 mm, glabrous.

calyx lobes ovate to lanceolate, 5–7.5 × 2–4 mm, margins erose, glandular to glandular-pubescent;

corolla blue to violet, without nectar guides, ventricose, 27–33 mm, glabrous externally, glabrous internally, tube 9–11 mm, throat gradually to abruptly inflated, not constricted at orifice, 8–12 mm diam., 2-ridged abaxially;

stamens: longer pair reaching orifice, pollen sacs divergent, navicular, 2–2.8 mm, dehiscing incompletely, proximal 1/5 indehiscent, connective not splitting, sides villous, hairs white, to 1 mm, sutures denticulate, teeth to 0.1 mm;

staminode 16–18 mm, included, 0.6–0.8 mm diam., tip straight, distal 1–6 mm sparsely lanate, hairs yellowish, to 0.8 mm;

style 17–21 mm.

7–12 × 4–6 mm, glabrous.

7–9 × 4.5–5.5 mm.