Flora of North America species comparison

ascending to erect, 30–120(–160) cm, glaucous.

ascending to erect, 4–10(–17) cm, retrorsely hairy or puberulent, not glaucous.

glabrous, glaucous;

basal and proximal cauline 36–125 × 8–25 mm, blade spatulate to oblanceolate or elliptic, base tapered, margins entire, rarely remotely and obscurely dentate, apex rounded to obtuse or acute;

cauline 2–5 pairs, sessile, 23–130 × 5–25 mm, blade lanceolate to oblong, base clasping to auriculate-clasping, margins entire, rarely remotely and obscurely dentate, apex obtuse to acute.

persistent, 5–10 pairs, distals usually distinctly smaller than proximals, short-petiolate or sessile, (5–)10–20(–30) × 4–11 mm, blade elliptic to orbiculate, ovate, or spatulate, base tapered, margins entire or serrulate, apex rounded to obtuse or acute, glabrous or obscurely puberulent, not glaucous.

interrupted, cylindric, (4–)10–60 cm, axis glabrous, verticillasters (2–)5–16, cymes 2–7-flowered;

proximal bracts lanceolate, (8–)13–55 × 2–8 mm;

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

continuous, ± secund, 1–6 cm, axis retrorsely hairy proximally, retrorsely hairy and glandular-pubescent distally, verticillasters (1 or)2–7, cymes 1-flowered;

proximal bracts round to ovate or lanceolate, 3–12 × 1–6 mm, margins entire;

peduncles and pedicels ascending to erect, glandular-pubescent, sometimes also puberulent.

calyx lobes ovate to lanceolate, 3–4.6 × 1.2–2 mm, apex acute to short-acuminate, glabrous or sparsely glandular-pubescent;

corolla rose pink to rose magenta, with reddish purple nectar guides, bilaterally symmetric, bilabiate, ventricose, 13–22 mm, glandular-pubescent externally, white-pilose and glandular-pubescent internally abaxially, tube 3–7 mm, throat gradually inflated, 5–7 mm diam., rounded abaxially;

stamens included, pollen sacs explanate, 1.1–1.4 mm, sutures smooth;

staminode 10–12 mm, flattened distally, 0.7–1(–2.5) mm diam., tip straight, distal 4–5 mm retrorsely hairy, hairs yellow or whitish, to 1 mm;

style 13–15 mm.

calyx lobes lanceolate to linear, 7–12(–14) × 2.5–4.3 mm, glandular-pubescent;

corolla lavender to bluish lavender, violet, or purple, essentially unlined internally but abaxial ridges usually lavender or white, nearly personate, funnelform, 20–45 mm, glabrous externally, sparsely to moderately white-villous internally abaxially, tube (4–)6–12 mm, throat 7–12 mm diam.;

stamens included, pollen sacs 0.9–1.6 mm;

staminode 7–14 mm, slightly flattened distally, 0.1–0.2 mm diam., tip straight, distal 4–7 mm sparsely to densely villous, hairs whitish, to 1 mm;

style 19–26 mm.

7–9 × 4–5 mm.

8–13 × 5–8 mm.

= 16.