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, (9–)15–35 cm, glabrous or slightly 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 abaxially, retrorsely hairy adaxially, sometimes only along midvein;

basal and proximal cauline petiolate, 32–65(–80) × 1–6(–9) mm, blade lanceolate to linear, base tapered, margins entire or obscurely serrate, apex obtuse to acute;

cauline 3–7 pairs, sessile, 30–45(–70) × 1–5(–8) mm, blade lanceolate to linear, base tapered to slightly clasping, margins entire or obscurely serrate, apex acute.

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.

interrupted, cylindric, (4–)6–15 cm, axis glandular-pubescent, verticillasters 3–6(–9), cymes (1 or)2–5-flowered, 2 per node;

proximal bracts lanceolate to linear, 7–20(–45) × 1–4(–8) 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 elliptic-lanceolate, 4–6 × 1–1.6 mm, glandular-pubescent;

corolla violet to blue or bluish lavender, with reddish purple nectar guides, weakly bilabiate, funnelform, 10–16 mm, glabrous or sparsely white-villous internally abaxially, tube 5–7 mm, throat gradually inflated, not constricted at orifice, 5–6 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, explanate, 0.7–0.9 mm, dehiscing completely, sutures smooth;

staminode 6–8 mm, included, 0.5–0.9 mm diam., tip straight to recurved, distal 5–7 mm densely pilose, hairs yellow, to 0.8 mm;

style 4–5 mm.

6–9 × 5–6 mm, glabrous.

7–10 × 3–5 mm.

= 16.