Flora of North America species comparison

ascending to erect, 10–30(–35) cm, retrorsely hairy proximally, glandular-pubescent distally.

ascending to erect, 7–35 cm, puberulent, hairs usually white, scalelike.

basal and cauline, not leathery, glabrous, puberulent, or retrorsely hairy;

basal and proximal cauline petiolate, (15–)30–60(–100) × (1–)2–5(–7) mm, blade lanceolate to linear, base tapered, margins entire, apex obtuse to acute;

cauline 2–6 pairs, sessile, (25–)40–80 × 2–7 mm, blade lanceolate to linear, base tapered to slightly clasping, margins entire or obscurely denticulate, apex acute to acuminate.

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.

continuous or interrupted, cylindric or slightly secund, (5–)7–23 cm, axis glandular-pubescent, verticillasters 3–8, cymes 2–4-flowered, 2 per node;

proximal bracts lanceolate to linear, 18–100 × 2–12 mm;

peduncles and pedicels 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 lanceolate, (6–)7–9 × 1–2 mm, densely glandular-pubescent;

corolla violet to lilac or pinkish blue, with magenta or violet nectar guides, weakly bilabiate, tubular-funnelform, (16–)18–22(–24) mm, moderately white-pilose internally abaxially, tube 4–6 mm, throat gradually inflated, not constricted at orifice, 7–9 mm diam., rounded abaxially;

stamens included, pollen sacs divergent, navicular, 1.2–1.5 mm, dehiscing incompletely, connective not splitting, sutures papillate;

staminode 13–16 mm, reaching orifice or exserted, 0.6–0.9 mm diam., tip recurved, distal 10–15 mm moderately to densely villous, hairs orangish, to 2.5 mm;

style 11–14 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.

(6–)8–10 × 3–4 mm.

6–9 × 4–5.5 mm.

= 16.