Flora of North America species comparison

12–50 cm.

ascending to erect, 25–85 cm, glabrate or puberulent, not glaucous.

cauline 5–15 pairs (distal ones much-reduced), 5–30(–46) × 4–15 mm, blade base tapered to acute to cuneate, margins sharply dentate, especially distally, or entire, apex obtuse to acute.

basal and cauline, basal often withering by anthesis, not leathery, glabrous or ± puberulent along major veins;

basal and proximal cauline 65–160 × 8–48 mm, blade oblanceolate to elliptic, base tapered, margins serrate, sometime subentire, apex obtuse to acute;

cauline (3–)7 or 8 pairs, sessile, 45–140 × 6–37 mm, blade lanceolate, proximals sometimes oblanceolate, base truncate to clasping, margins sharply serrate, sometimes ± serrate, apex acute to acuminate.

(2–)5–15(–40) cm, verticillasters (2 or)3–7(–12), cymes 1- or 2(or 3)-flowered;

proximal bracts elliptic to lanceolate, 2–5 × 1–3 mm;

peduncles and pedicels glandular-pubescent.

interrupted, conic, 6–20 cm, axis glabrous or retrorsely hairy, rarely ± glandular-pubescent distally, verticillasters 3–8, cymes (3–)5–15-flowered, 2 per node;

proximal bracts lanceolate, 22–100 × 6–30 mm, margins serrate;

peduncles and pedicels ascending, retrorsely hairy or ± glandular-pubescent distally.

calyx lobes elliptic to ovate, 3.5–5 × 1.5–2.2 mm;

corolla unlined internally, 22–27 mm, glandular-pubescent internally, tube 4–5 mm, throat 6–7 mm diam.;

pollen sacs 1.2–1.5 mm;

staminode 16–19 mm;

style 18–25 mm.

calyx lobes ovate to lanceolate, 3.1–6 × 1–2.2 mm, glabrous or sparsely glandular-pubescent;

corolla lavender to violet, with sometimes faint reddish purple nectar guides, funnelform, 10–14 mm, sparsely glandular-pubescent externally, moderately to densely white-villous internally abaxially, tube 4–6 mm, throat moderately inflated, 4–6 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, navicular, 0.8–1 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth or ± papillate;

staminode 8–9 mm, exserted, 0.3–0.4 mm diam., tip straight, distal 4–5 mm moderately to densely pubescent, hairs orangish, to 1 mm;

style 8–10 mm.

7–10 × 5–7 mm.

4–5 × 3–4 mm, glabrous.