Flora of North America species comparison

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

ascending to erect, 17–40 cm, retrorsely hairy, sometimes also ± glandular-pubescent distally, not glaucous.

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.

basal and cauline, not leathery, retrorsely hairy, sometimes only along midribs and margins;

basal and proximal cauline 12–130 × 10–35 mm, blade ovate to elliptic, base tapered, margins entire or ± denticulate, apex obtuse to acute;

cauline 3 or 4 pairs, petiolate or sessile, 33–100 × 12–27 mm, blade ovate to lanceolate, base tapered to truncate, sometimes clasping on distal ones, margins entire or ± denticulate, apex acute.

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.

interrupted, cylindric, 5–15 cm, axis glandular-pubescent, verticillasters 3–5, cymes 2–6-flowered, 2 per node;

proximal bracts ovate to lanceolate, 18–50 × 4–22 mm, margins entire;

peduncles and pedicels erect, glandular-pubescent.

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.

calyx lobes lanceolate, 3–6.5 × 0.9–1.5 mm, glandular-pubescent;

corolla lavender to purple, with reddish purple nectar guides, bilabiate, not personate, funnelform, 16–20 mm, glandular-pubescent externally, densely white-lanate internally abaxially, tube 5–7 mm, throat gradually inflated, 5–6 mm diam., 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular, 0.9–1.2 mm, dehiscing completely, connective splitting, sides glabrous, sutures papillate;

staminode 10–12 mm, included or reaching orifice, 0.4–0.5 mm diam., tip recurved, distal 5–6 mm ± villous, hairs golden yellow, to 1.5 mm;

style 10–13 mm.

4–6 × 2.5–4.5 mm, glabrous.

5–8 × 3–4 mm, glabrous.

= 16.