Flora of North America species comparison

ascending to erect, (7–)9–16(–25) cm, glabrous or ± glandular-pubescent distally, not glaucous.

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

basal and cauline, or basal absent or reduced, ± leathery, glabrous except for antrorsely-scabrous margins, not glaucous;

basal and proximal cauline 16–85 × 3–9 mm, blade spatulate to lanceolate, base tapered, margins entire, apex rounded to obtuse or acute;

cauline 2–4 pairs, sessile, 24–55 × 2–5 mm, blade lanceolate, proximals sometimes spatulate, base truncate, 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.

continuous, cylindric to secund, (1–)2–7 cm, axis glandular-pubescent, verticillasters 1–7, cymes 1–4-flowered, 2 per node;

proximal bracts lanceolate, rarely oblanceolate, 9–26 × 1–3 mm;

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 obovate to elliptic, (4–)5–6.5 × 3–4 mm, margins erose or lacerate, glandular-pubescent, sometimes only proximally;

corolla blue to violet or purple, with reddish purple nectar guides, ventricose, 14–25 mm, glabrous externally, glabrous or sparsely white-lanate internally abaxially, tube 2–3 mm, throat abruptly inflated, not constricted at orifice, 6–7 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, navicular to subexplanate, 1.2–1.4 mm, dehiscing completely, sides glabrous, rarely sparsely pilose, hairs white, to 0.8 mm near connective, sutures smooth or obscurely papillate;

staminode 10–15 mm, included or reaching orifice, 0.6–1 mm diam., tip straight, distal 3–6 mm moderately to densely pubescent, hairs golden yellow, to 0.6 mm (hairs scattered proximally);

style 10–13 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.

6–9 × 4–7 mm.

6–9 × 4–5.5 mm.