Flora of North America species comparison

ascending to erect, (15–)30–120 cm, glabrous, sometimes glabrous proximally, glandular-pubescent distally, not glaucous.

ascending to erect, (20–)30–100 cm, puberulent to pubescent, sometimes glabrous, not glaucous.

basal and cauline, not leathery, glabrous;

basal and proximal cauline 30–250 × 7–50 mm, blade elliptic to lanceolate, base tapered, margins serrate to dentate, apex obtuse to acute;

cauline 2–5 pairs, short-petiolate or sessile, (10–)20–75(–110) × 5–30(–38) mm, blade oblong to triangular-ovate, base truncate to cordate-clasping distally, margins serrate to dentate, apex obtuse to acute.

basal and cauline, not leathery, puberulent to pubescent, sometimes only along midvein and margins;

basal and proximal cauline 40–150(–230) × 14–50(–70) mm, blade ovate to deltate-ovate, base truncate to tapered, margins serrate-dentate, apex obtuse to acute;

cauline (3–)5–7 pairs, sessile, 25–80(–120) × 15–45(–70) mm, blade oblong to ovate or triangular-ovate, base clasping, margins serrate, apex acute.

interrupted, cylindric, 2–24 cm, axis glandular-pubescent, verticillasters 2–7, cymes 3–11-flowered, 2 per node;

proximal bracts triangular to lanceolate, 6–50 × 1–22 mm, margins entire or ± serrate;

peduncles and pedicels ascending to erect, glandular-pubescent.

interrupted, narrowly conic, 6–30 cm, axis densely glandular-pubescent, verticillasters 4–10, cymes 5–13-flowered, 2 per node;

proximal bracts ovate to lanceolate, 11–35(–70) × 4–30(–45) mm, margins serrate, sometimes entire;

peduncles and pedicels ascending to erect, densely glandular-pubescent.

calyx lobes ovate to ovate-oblong or lanceolate, 4–10 × (1–)1.5–2.5 mm, glandular-pubescent;

corolla lavender to purple or violet, with reddish purple nectar guides, ventricose to ventricose-ampliate, 20–30 mm, glandular-pubescent externally, sparsely to densely white-lanate internally, tube 6–7 mm, throat abruptly inflated, 8–10 mm diam., 2-ridged abaxially;

stamens included, pollen sacs opposite, subexplanate, 1.2–1.5 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth or papillate;

staminode 21–26 mm, exserted, 0.3–0.4 mm diam., tip straight to recurved, distal 6–10 mm sparsely to moderately lanate, hairs white or yellow, to 3 mm;

style 16–19 mm.

calyx lobes ovate to lanceolate, (2–)3–5 × 0.9–1.6(–1.9) mm, margins narrowly scarious, sparsely to densely glandular-pubescent;

corolla violet to blue or purple, with reddish purple nectar guides, funnelform, 15–22 mm, glandular-pubescent externally, densely white-villous internally abaxially, rarely glabrous, tube 5–6 mm, throat slightly inflated, 5–7 mm diam., 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular, 0.8–1.1 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth or papillate;

staminode 9–12 mm, reaching orifice or slightly exserted, 0.3–0.4 mm diam., tip recurved, distal 1–2 mm densely pilose, hairs yellow, to 1.5 mm;

style 9–12 mm.

5–9 × 3.5–5 mm, glabrous.

4–6 × 2.5–4.5 mm, glabrous.

= 16.

= 16.