Flora of North America species comparison

ascending to erect, (20–)35–80 cm, retrorsely hairy and glandular-pubescent, sometimes only glandular-pubescent distally, not glaucous.

ascending to erect, 7–18(–24) cm, retrorsely hairy.

basal and cauline, not leathery, sparsely to densely pubescent, rarely glabrate;

basal and proximal cauline 28–170 × 11–42 mm, blade orbiculate to obovate or elliptic, base tapered, margins irregularly crenate to irregularly serrate, apex rounded to obtuse;

cauline 3–7 pairs, sessile or proximals short-petiolate, 28–170 × 9–40 mm, blade oblanceolate to lanceolate, proximals usually ± lyrate, base clasping or tapered, margins crenate to serrate, apex obtuse to acute.

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, (5–)8–23 cm, axis ± pubescent and glandular-pubescent, verticillasters 3–6, cymes 5–13-flowered, 2 per node;

proximal bracts lanceolate, 8–60 × 2–20 mm, margins entire or ± crenate to serrate;

peduncles and pedicels spreading to ascending, ± pubescent and glandular-pubescent.

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 lanceolate, 3.2–6(–7) × 1.4–1.8(–2) mm, sparsely to moderately glandular-pubescent;

corolla lavender to purple, with lavender or purple nectar guides, ventricose, 20–30 mm, glandular-pubescent externally, ± white-pubescent internally abaxially, tube (4–)5–8(–10) mm, throat abruptly inflated, 5–8 mm diam., slightly 2-ridged abaxially;

stamens included or longer pair reaching orifice, pollen sacs opposite, navicular, 1–1.5 mm, dehiscing completely, connective splitting, sides glabrous, rarely sparsely pubescent, hairs white, to 0.2 mm, sutures papillate;

staminode (11–)14–22 mm, exserted, 0.5–0.7 mm diam., tip straight to slightly recurved, distal (7–)10–12 mm ± pubescent, hairs yellowish, to 2 mm;

style 13–15 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.

5–7 × 4–5 mm, glabrous.

4–6 × 3–4 mm.

= 16.