Flora of North America species comparison

ascending or erect, 50–120 cm, glaucous.

erect, (13–)19–42 cm, glabrous.

basal and proximal cauline 45–80(–100) × 15–30(–40) mm, blade obovate to ovate, oblanceolate, or lanceolate, base tapered, margins coarsely dentate, apex obtuse to acute;

cauline 6–9 pairs, sessile or proximals short-petiolate, 50–100 × (8–)20–45 mm, blade ovate to lanceolate, base cordate-clasping or tapered, margins coarsely dentate, apex acute, sometimes obtuse.

basal and cauline, glabrous;

basal and proximal cauline 13–57 × 4–19 mm, blade spatulate to oblanceolate, base tapered, apex mucronate, sometimes rounded to obtuse;

cauline 3–7 pairs, sessile, 9–30 × 6–15 mm, blade oblanceolate to ovate, base clasping to cordate-clasping, apex acute to acuminate, sometimes mucronate.

interrupted, secund, 30–80 cm, axis glabrous or sparsely glandular-pubescent distally, verticillasters 9–19, cymes 1–5-flowered;

proximal bracts lanceolate, 10–55 × 2–30 mm;

peduncles and pedicels ascending to erect, glandular-pubescent.

interrupted or continuous, cylindric, 10–16 cm, axis glabrous, verticillasters (6–)8–12, cymes 2–7-flowered, proximal bracts orbiculate to ovate, 11–18 × 6–14 mm;

peduncles and pedicels glabrous.

calyx lobes ovate, 4.2–6 × 2–3 mm, glandular-pubescent;

corolla lavender to light pink, rose pink, or light yellow, with reddish nectar guides, strongly bilabiate, ventricose, 21–32 mm, glandular-pubescent externally, glandular-pubescent internally, tube 6–12 mm, length 2–2.2 times calyx lobes, throat gradually to abruptly inflated, constricted or slightly so at orifice, 6–16 mm diam., rounded abaxially;

stamens included, filaments glabrous, pollen sacs explanate, 1.4–1.8 mm, sutures smooth;

staminode 16–19 mm, included, 0.7–0.9 mm diam., tip straight, glabrous;

style 15–20 mm, glabrous.

calyx lobes lanceolate, 4–7 × 1.1–1.9 mm, margins erose, broadly scarious, glabrous;

corolla lavender to lavender-blue, without nectar guides, funnelform, nearly rotate, 11–14 mm, glabrous externally or glandular, glabrous internally, tube 6.5–8 mm, throat gradually inflated, 4–5 mm diam., rounded abaxially;

stamens: 4 prominently exserted (4–5 mm) beyond limb, pollen sacs parallel, 1.2–1.5 mm, sutures smooth;

staminode 6–7 mm, reaching orifice or exserted (adaxially), 0.4–0.5 mm diam., tip recurved, distal 1–2 mm densely villous, hairs golden yellow, to 0.8 mm;

style 12–14 mm.

8–13 × 4–7 mm, glabrous.

5–6 × 4–5 mm.

= 16.