Flora of North America species comparison

ascending or erect, 50–120 cm, glaucous.

ascending to erect, 22–60 cm, retrorsely hairy and glandular-pubescent or glandular-villous, not glaucous.

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, basal sometimes withering by anthesis, not leathery, sparsely to densely pubescent, usually also sparsely glandular-hairy, abaxially, glabrous or sparsely pubescent adaxially;

basal and proximal cauline 20–95 × 11–28 mm, blade spatulate to obovate or ovate, base tapered, margins subentire to ± serrate, apex rounded to obtuse;

cauline 4 or 5, sessile or proximals short-petiolate, 35–95 × 11–32 mm, blade ovate to lanceolate or oblanceolate, base tapered to truncate or clasping, margins ± serrate or dentate, apex obtuse to acute.

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, conic, (4–)8–20 cm, axis sparsely to densely glandular-pubescent, verticillasters 3–8, cymes 5–16-flowered, 2 per node;

proximal bracts lanceolate, 7–50 × 2–20 mm, margins entire or serrate;

peduncles and pedicles spreading to ascending, sparsely to densely glandular-pubescent.

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 ovate, rarely lanceolate, (1.5–)2–3.5 × 0.9–2.2 mm, sparsely glandular-pubescent;

corolla lavender to purple, with reddish purple nectar guides, tubular to tubular-funnelform, 15–24 mm, glandular-pubescent externally, ± whitish lanate internally abaxially, tube 4–6 mm, throat slightly inflated, 4–7 mm diam., 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular, 0.9–1.1 mm, dehiscing completely, connective splitting, sides glabrous, sutures papillate;

staminode 12–18 mm, exserted, 0.3–0.5 mm diam., tip straight to slightly recurved, distal 8–9 mm ± villous, hairs yellow or golden yellow, to 1.5 mm;

style 12–17 mm.

8–13 × 4–7 mm, glabrous.

4–7 × 3–5 mm, glabrous.

= 16.