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, 7–18(–24) cm, retrorsely hairy.

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 or sparsely retrorsely hairy on petiole and, rarely, midvein;

basal and proximal cauline petiolate, 30–55(–70) × 2–5(–8) mm, blade oblanceolate to lanceolate or linear, base tapered, margins entire or obscurely and remotely dentate, apex obtuse to acute;

cauline 3–5 pairs, short-petiolate or sessile, 17–60 × 1–5 mm, blade lanceolate to linear, base tapered to clasping, margins entire or remotely dentate, 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 or continuous, cylindric, 2–11 cm, axis glandular-pubescent, verticillasters 3–6, cymes 2–6-flowered, 2 per node;

proximal bracts lanceolate to linear, 12–55 × 2–9 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 lanceolate, 6–8 × 1–1.4 mm, glandular-pubescent;

corolla violet to lavender or purple, with dark violet nectar guides, bilabiate, tubular-funnelform, 8–11 mm, white-lanate internally abaxially, tube 4–5 mm, throat gradually inflated, not constricted at orifice, 3.5–4.5 mm diam., slightly 2-ridged abaxially;

stamens included or longer pair reaching orifice or slightly exserted, pollen sacs opposite, explanate, 0.5–0.9 mm, dehiscing completely, sutures papillate;

staminode 6–8 mm, exserted, 0.3–0.4 mm diam., tip recurved to coiled, distal 4–5 mm densely pilose, hairs white or pale yellow, to 1 mm;

style 5–7 mm.

6–9 × 5–6 mm, glabrous.

4–6 × 3–4 mm.

= 16.