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, 7–35 cm, puberulent, hairs usually white, scalelike.

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.

basal and cauline, or basal sometimes few or absent, ± leathery, densely retrorsely hairy, hairs white, scalelike;

basal and proximal cauline petiolate, (28–)50–130 × 7–40 mm, blade ovate to oblong, base tapered, margins entire or dentate (often crisped), apex obtuse to acute;

cauline 2–4 pairs, short-petiolate or sessile, 35–83 × 7–26 mm, blade elliptic to deltate-ovate or lanceolate, base tapered to clasping, margins entire, apex obtuse to acute or acuminate.

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 to ± interrupted, cylindric, 4–23 cm, axis glandular-pubescent, verticillasters 4–9, cymes (1 or)2–7-flowered, 2 per node;

proximal bracts ovate to lanceolate, 19–61 × 15–30 mm;

peduncles and pedicels glandular-pubescent.

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 lanceolate, 8–11 × 1.6–2 mm, glandular-pubescent;

corolla pink to reddish pink or violet, with or without faint reddish nectar guides, tubular-funnelform, 14–20 mm, sparsely white-lanate internally abaxially, tube 5–7 mm, throat gradually inflated, not constricted at orifice, 4–7 mm diam., 2-ridged abaxially;

stamens included, pollen sacs divergent, navicular-sigmoid, 1.1–1.4 mm, dehiscing incompletely, connective not splitting, sutures papillate;

staminode 8–10 mm, included, 0.3–0.4 mm diam., tip straight to recurved, distal 5–7 mm densely pilose, hairs golden yellow, to 1 mm;

style 11–13 mm.

5–9 × 3.5–5 mm, glabrous.

6–9 × 4–5.5 mm.

= 16.