Flora of North America species comparison

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

ascending to erect, 15–60 cm, glaucous.

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.

glabrous or obscurely scabrous, especially along margins, glaucous;

basal and proximal cauline 35–80(–100) × 5–20 mm, blade oblanceolate, base tapered, margins entire, apex obtuse to acute;

cauline 2–4 pairs, sessile, 15–75 × 4–26 mm, blade elliptic to lanceolate, rarely ovate, base tapered, margins entire, apex acute.

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.

± interrupted, ± secund, 11–25 cm, axis glabrous, verticillasters 5–15, cymes 1–4-flowered;

proximal bracts lanceolate, 6–23 × 1–4 mm;

peduncles and pedicels erect, 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 ovate, 2.5–4(–5) × 1.5–4(–4.6) mm, margins erose, glabrous;

corolla red to crimson, with red nectar guides, bilaterally symmetric, bilabiate, tubular-salverform, 17–22(–25) mm, glandular-pubescent externally, especially distally, glandular-pubescent internally, tube 6–9 mm, throat slightly inflated, 6–7 mm diam., rounded abaxially;

stamens included, pollen sacs explanate, 0.6–1.1 mm, sutures smooth;

staminode 7–10 mm, flattened distally, 0.4–0.5 mm diam., tip recurved, glabrous, rarely distal 1 mm papillate, papillae golden yellow, to 0.1 mm;

style 10–14 mm.

7–12 × 4–6 mm, glabrous.

7–10 × 5–7 mm.