Flora of North America species comparison

ascending to erect, (15–)30–120 cm, glabrous, sometimes glabrous proximally, glandular-pubescent distally, not glaucous.

ascending to erect, 13–40 cm, glabrous, glaucous.

basal and cauline, not leathery, glabrous;

basal and proximal cauline 30–250 × 7–50 mm, blade elliptic to lanceolate, base tapered, margins serrate to dentate, apex obtuse to acute;

cauline 2–5 pairs, short-petiolate or sessile, (10–)20–75(–110) × 5–30(–38) mm, blade oblong to triangular-ovate, base truncate to cordate-clasping distally, margins serrate to dentate, apex obtuse to acute.

persistent, 3–5 pairs, short-petiolate or sessile, 15–80 × (5–)11–28 mm, blade elliptic to ovate, oblanceolate, or spatulate, base tapered to clasping, margins entire or irregularly serrate to serrulate, apex rounded to obtuse or acute, glabrous, glaucous.

interrupted, cylindric, 2–24 cm, axis glandular-pubescent, verticillasters 2–7, cymes 3–11-flowered, 2 per node;

proximal bracts triangular to lanceolate, 6–50 × 1–22 mm, margins entire or ± serrate;

peduncles and pedicels ascending to erect, glandular-pubescent.

continuous, secund, 7–13 cm, axis glabrous, verticillasters 6–8, cymes 1- or 2-flowered;

proximal bracts ovate, 7–28 × 3–17 mm;

peduncles and pedicels ascending to erect, glabrous.

calyx lobes ovate to ovate-oblong or lanceolate, 4–10 × (1–)1.5–2.5 mm, glandular-pubescent;

corolla lavender to purple or violet, with reddish purple nectar guides, ventricose to ventricose-ampliate, 20–30 mm, glandular-pubescent externally, sparsely to densely white-lanate internally, tube 6–7 mm, throat abruptly inflated, 8–10 mm diam., 2-ridged abaxially;

stamens included, pollen sacs opposite, subexplanate, 1.2–1.5 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth or papillate;

staminode 21–26 mm, exserted, 0.3–0.4 mm diam., tip straight to recurved, distal 6–10 mm sparsely to moderately lanate, hairs white or yellow, to 3 mm;

style 16–19 mm.

calyx lobes ovate to lanceolate, 5–7.5 × 2.2–3.5 mm, glabrous or inconspicuously glandular proximally;

corolla lilac to purple, essentially unlined internally but abaxial ridges usually lilac or white, not personate, funnelform, 33–38 mm, glabrous externally, sparsely to densely white-lanate internally abaxially, tube 6–8 mm, throat 7–10 mm diam.;

stamens included, pollen sacs 1.2–1.6 mm;

staminode 7–13 mm, essentially terete distally, 0.1 mm diam., tip straight, glabrous;

style 20–26 mm.

5–9 × 3.5–5 mm, glabrous.

8–10 × 5–7 mm.

= 16.

= 16.