Flora of North America species comparison

ascending to erect, (30–)60–100 cm, slightly glaucous or not.

decumbent to ascending, (15–)20–48 cm, glabrous.

basal and proximal cauline 20–165 × 12–50 mm, blade ovate to lanceolate, base tapered, margins finely to coarsely dentate, apex obtuse to acute;

cauline 4–7 pairs, sessile or proximals short-petiolate, 45–90 × 22–76 mm, blade ovate to triangular, base tapered or sessile on proximals, auriculate-clasping to connate-perfoliate on distal ones, margins finely to coarsely dentate, apex acute.

essentially cauline, basal absent or reduced, glabrous;

basal and proximal cauline (25–)55–130(–175) × 3–25 mm, blade linear to lanceolate, base tapered, apex acute to acuminate;

cauline 2–10 pairs, sessile, 60–110(–120) × 7–30 mm, blade lanceolate to linear, base clasping, apex acuminate to long-acuminate.

interrupted or continuous, secund, (6–)12–48 cm, axis glabrous, verticillasters 4–13, cymes 1–3(–6)-flowered;

proximal bracts ovate (connate-perfoliate) or lanceolate (auriculate-clasping), (9–)16–55 × 10–60 mm;

peduncles and pedicels ascending to erect, glabrous or glandular-pubescent.

continuous, cylindric, (2–)6–21(–34) cm, axis glabrous, verticillasters (2–)6–10(–17), cymes 1–8-flowered;

proximal bracts ovate, 58–120 × 20–45 mm;

peduncles and pedicels glabrous.

calyx lobes ovate, 3–5.5 × 2–3.2 mm, glabrous or glandular-pubescent;

corolla rose pink, with reddish purple nectar guides, strongly bilabiate, ventricose, (18–)25–34 mm, glandular-pubescent externally, glandular-pubescent internally, tube 6–9 mm, length 1.6–2 times calyx lobes, throat gradually inflated, ± constricted at orifice, 7–10 mm diam., rounded abaxially;

stamens: longer pair reaching orifice, filaments of shorter pair glandular-puberulent proximally, pollen sacs explanate, 1.5–2 mm, sutures smooth;

staminode 11–17 mm, included, 0.2–0.4 mm diam., tip straight to recurved, glabrous or distal 1–2 mm sparsely to moderately lanate, hairs yellow, to 1 mm;

style 20–25 mm, glabrous.

calyx lobes lanceolate to linear, 8–13 × 1–3 mm, margins entire or erose, herbaceous or scarious, glabrous;

corolla lavender to bluish, usually with magenta nectar guides, ampliate, 21–28 mm, glabrous externally, glabrous internally, tube 7–9 mm, throat abruptly inflated, 9–11 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, 1.1–2 mm, sutures papillate;

staminode 13–16 mm, included, 1.2–3 mm diam., tip recurved, distal 0.1–5 mm sparsely to densely villous, hairs golden yellow, to 1 mm, rarely glabrous;

style 13–23 mm.

7–12 × 4–6 mm, glabrous.

8–12 × 5–9 mm.

= 16.