Flora of North America species comparison

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

erect, sometimes ascending, (12–)20–65(–90) cm, glabrous or puberulent, not glaucous.

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 or, often, basal absent, not leathery, glabrous or puberulent, not or slightly glaucous;

basal and proximal cauline (20–)60–114 × (3–)12–21 mm, blade oblanceolate or lanceolate, rarely linear, base tapered, margins entire, apex obtuse to acute;

cauline 5–11 pairs, sessile, 40–118 × 3–17 mm, blade lanceolate, base tapered to truncate, apex obtuse to 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.

continuous, sometimes interrupted, secund, (3–)6–40 cm, axis glabrous or retrorsely hairy, verticillasters (3–)6–14, cymes 2–5-flowered, 2 per node;

proximal bracts lanceolate to linear, 19–74(–98) × 2–10 mm;

peduncles and pedicels glabrous or retrorsely hairy.

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 elliptic, 2.2–5 × 1.3–2.2 mm, glabrous or puberulent;

corolla violet to lavender, pink-lavender, or purple, with reddish purple nectar guides, ventricose, 17–27 mm, glabrous externally, sparsely white-villous, rarely glabrous, internally abaxially, tube 5–8 mm, throat gradually to abruptly inflated, slightly constricted at orifice, 6–8 mm diam., rounded abaxially;

stamens: longer pair slightly exserted, pollen sacs divergent to opposite, navicular, 1.5–1.8 mm, dehiscing completely or incompletely, connective splitting or not, sides glabrous, sutures smooth or papillate;

staminode 12–14 mm, reaching orifice or exserted, 0.7–1.2 mm diam., tip straight, glabrous;

style 13–15 mm.

6–9 × 5–6 mm, glabrous.

9–14 × 4–8 mm.

= 16.