Flora of North America species comparison

ascending to erect, 10–45(–52) cm, glabrate or retrorsely hairy proximally, glandular-pubescent distally.

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

basal and cauline, not leathery, glabrous or retrorsely hairy along midvein, especially adaxially;

basal and proximal cauline petiolate, 20–80(–105) × (2–)5–10(–13) mm, blade oblanceolate to lanceolate or linear, base tapered, margins entire or serrate, apex obtuse to acute;

cauline 3–6 pairs, sessile, 20–100(–110) × 5–15 mm, blade lanceolate to linear, base tapered to slightly clasping, margins entire or remotely dentate to remotely serrate, apex acute, rarely obtuse.

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.

continuous or interrupted, secund, 5–20(–24) cm, axis densely glandular-pubescent, verticillasters 2–8, cymes 2–5-flowered, 2 per node;

proximal bracts lanceolate, (9–)25–90 × (1–)3–15 mm;

peduncles and pedicels densely glandular-pubescent.

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, 8–12 × 2–3 mm, glandular-pubescent;

corolla white to lavender, pink, or violet, with magenta or violet-blue nectar guides, ventricose, 24–32(–35) mm, moderately to densely white-pilose and glandular-pubescent internally abaxially, tube 8–10 mm, throat abruptly inflated, slightly constricted at orifice, 9–15 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, explanate, 1–1.2 mm, dehiscing completely, sutures smooth;

staminode 14–17 mm, prominently exserted, 0.3–0.4 mm diam., tip recurved, distal 10–14 mm lanate, hairs yellow, to 3.5 mm, and medial hairs shorter, stiffer, and retrorse;

style 17–18 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.

10–16 × 5–7 mm.

(6–)8–10 × 3–4 mm.

= 16.

= 16.