Flora of North America species comparison

ascending to erect, 30–80 cm, retrorsely hairy and sparsely to densely glandular-villous, not glaucous.

ascending to erect, 10–30(–35) cm, retrorsely hairy proximally, glandular-pubescent distally.

basal and cauline, not leathery, glabrous or sparsely glandular-lanate along midveins, rarely moderately glandular-lanate;

basal and proximal cauline 20–126 × 4–16 mm, blade spatulate to oblanceolate, lanceolate, spatulate, or elliptic, base tapered, margins entire or serrate to dentate, apex rounded to obtuse or acute;

cauline 5–8(–10) pairs, sessile or short-petiolate, 20–130 × 2–30 mm, blade lanceolate to oblanceolate, base clasping or tapered, margins finely to coarsely serrate or dentate, apex acute to acuminate.

basal and cauline, not leathery, glabrous, puberulent, or retrorsely hairy;

basal and proximal cauline petiolate, (15–)30–60(–100) × (1–)2–5(–7) mm, blade lanceolate to linear, base tapered, margins entire, apex obtuse to acute;

cauline 2–6 pairs, sessile, (25–)40–80 × 2–7 mm, blade lanceolate to linear, base tapered to slightly clasping, margins entire or obscurely denticulate, apex acute to acuminate.

interrupted, conic, 6–37 cm, axis glandular-pubescent to glandular-lanate, verticillasters (3 or)4–8, cymes 2–11(–15)-flowered, 2 per node;

proximal bracts lanceolate to linear, 8–60 × 1–6 mm, margins entire or ± serrate to dentate;

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

continuous or interrupted, cylindric or slightly secund, (5–)7–23 cm, axis glandular-pubescent, verticillasters 3–8, cymes 2–4-flowered, 2 per node;

proximal bracts lanceolate to linear, 18–100 × 2–12 mm;

peduncles and pedicels glandular-pubescent.

calyx lobes ovate to lanceolate, 4–7 × 1.5–2.3 mm, glandular-pubescent;

corolla lavender or purplish, with or without faint violet nectar guides, bilabiate, personate, tubular, 20–26(–28) mm, glandular-pubescent externally, moderately to densely white-villous internally abaxially, tube 6–7 mm, throat slightly inflated, 6–8 mm diam., 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular to subexplanate, 0.8–1 mm, dehiscing completely, connective splitting, sides glabrous, sutures papillate;

staminode 13–16 mm, exserted, 0.6–0.7 mm diam., tip straight, distal 11–14 mm moderately to densely villous, hairs yellowish, to 1.2 mm;

style 16–18 mm.

calyx lobes ovate to lanceolate, (6–)7–9 × 1–2 mm, densely glandular-pubescent;

corolla violet to lilac or pinkish blue, with magenta or violet nectar guides, weakly bilabiate, tubular-funnelform, (16–)18–22(–24) mm, moderately white-pilose internally abaxially, tube 4–6 mm, throat gradually inflated, not constricted at orifice, 7–9 mm diam., rounded abaxially;

stamens included, pollen sacs divergent, navicular, 1.2–1.5 mm, dehiscing incompletely, connective not splitting, sutures papillate;

staminode 13–16 mm, reaching orifice or exserted, 0.6–0.9 mm diam., tip recurved, distal 10–15 mm moderately to densely villous, hairs orangish, to 2.5 mm;

style 11–14 mm.

6–9 × 5–6 mm, glabrous.

(6–)8–10 × 3–4 mm.

= 16.

= 16.