Flora of North America species comparison

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

ascending to erect, (3–)7–30 cm, retrorsely hairy.

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, not leathery, retrorsely hairy;

basal and proximal cauline petiolate, 15–45(–65) × 3–20(–25) mm, blade spatulate to oblanceolate or ovate, base tapered, margins entire or obscurely dentate distally, apex rounded to obtuse;

cauline (1 or)2–4 pairs, sessile, 16–55 × 4–10(–15) mm, blade lanceolate to oblanceolate or linear, base tapered to clasping, margins entire or obscurely dentate distally, apex obtuse to acute.

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, 1–12 cm, axis glandular-pubescent, verticillasters (1–)3–7, cymes (1 or)2–4-flowered, 2 per node;

proximal bracts ovate to lanceolate, 8–34 × 2–16 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, 4.8–6.2 × 1.2–1.9 mm, glandular-pubescent;

corolla blue to violet, with reddish violet nectar guides, bilabiate, tubular-funnelform, 15–20(–22) mm, sparsely white-lanate or glabrous internally abaxially, tube 4–6 mm, throat gradually inflated, not constricted at orifice, 4–7 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, navicular, 1.1–1.4 mm, dehiscing completely, sutures papillate;

staminode 7–9 mm, included or reaching orifice, 0.3–0.5 mm diam., tip straight to recurved, distal 4–5 mm sparsely pubescent, hairs yellow, to 0.8 mm;

style 10–12 mm.

6–9 × 4–7 mm.

6–10 × 4–6 mm.