Flora of North America species comparison

ascending to erect, 30–60 cm, glaucous.

ascending to erect, (10–)30–80 cm, glabrous, not glaucous.

basal and proximal cauline 26–56 × 7–15 mm, blade lanceolate to elliptic, base tapered, margins coarsely dentate or serrate, apex obtuse to acute;

cauline 4–7 pairs, short-petiolate or sessile, 30–55 × 5–32 mm, blade ovate to lanceolate, base tapered or auriculate-clasping to connate-perfoliate on distal leaves, margins coarsely dentate, apex acute to acuminate.

basal and cauline, not leathery, glabrous;

basal and proximal cauline 30–150 × 6–40 mm, blade ovate to elliptic or oval, base tapered, margins serrate to dentate, sometimes denticulate or entire, apex obtuse to acute;

cauline 2–4 pairs, sessile or proximals short-petiolate, 11–90 × 5–50 mm, blade oblanceolate to oblong or triangular-ovate, base tapered to cordate-clasping, margins serrate to denticulate, rarely entire, apex obtuse to acute.

interrupted, secund, 8–30 cm, axis glabrous or sparsely glandular-pubescent distally, verticillasters 3–10, cymes 1–3-flowered;

proximal bracts ovate to triangular, 12–35 × 8–32 mm;

peduncles and pedicels ascending to erect, glandular-pubescent.

interrupted, sometimes continuous, cylindric, (4–)8–40 cm, axis glandular-pubescent, verticillasters 3–10, cymes (2 or)3–15-flowered, 2 per node;

proximal bracts ovate to triangular, 10–85 × 7–40 mm, margins serrate or entire;

peduncles and pedicels ascending, glandular-pubescent.

calyx lobes ovate to elliptic, 3.5–5.5 × 2.5–3.8 mm, glandular-pubescent;

corolla pink to rose pink, with reddish purple nectar guides, strongly bilabiate, ventricose, 23–27 mm, glandular-pubescent externally, glandular-pubescent internally, also usually moderately white-lanate abaxially, tube 6–10 mm, length 1.6–2 times calyx lobes, throat abruptly inflated, ± constricted at orifice, 9–12 mm diam., rounded abaxially;

stamens: longer pair reaching orifice, filaments of shorter pair glandular-puberulent proximally, pollen sacs explanate, 1.3–1.6 mm, sutures smooth;

staminode 16–18 mm, exserted, 0.4–0.6(–1) mm diam., tip straight, glabrous or distal 2–4 mm moderately lanate, hairs yellow, to 1 mm;

style 17–22 mm, glabrous.

calyx lobes lanceolate, 4–6.5 × 0.9–2 mm, glandular-pubescent;

corolla light blue to lavender, purple, or violet, with violet nectar guides, ampliate, 13–18 mm, glandular-pubescent externally, glabrous or sparsely white-lanate internally abaxially, tube 5–7 mm, throat gradually inflated, 4–6 mm diam., 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular, 0.8–1.2 mm, dehiscing completely, connective splitting, sides glabrous, sutures papillate;

staminode 10–13 mm, exserted, 0.2–0.4 mm diam., tip straight to slightly recurved, distal 2–6 mm glabrous or sparsely pilose, hairs yellow, to 0.6 mm;

style 10–13 mm.

9–12 × 6–7 mm, glabrous.

5–7 × 3–4 mm, glabrous.

= 16.

= 16.