Flora of North America species comparison

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

ascending to erect, 4–25 cm, retrorsely ± hairy proximally, glandular-pubescent distally.

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.

basal and cauline, not leathery, glabrous abaxially, retrorsely hairy adaxially, usually only along midvein on distal caulines;

basal and proximal cauline petiolate, 12–73 × 2–9 mm, blade spatulate to oblanceolate, base tapered, margins entire or obscurely dentate, apex rounded to obtuse or acute;

cauline 3–5 pairs, sessile, 11–48 × 2–6 mm, blade lanceolate, base clasping, margins entire or dentate proximally, apex acute to acuminate.

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.

interrupted or continuous, cylindric, 2–7 cm, axis glandular-pubescent, verticillasters 3–7, cymes 3–5-flowered, 2 per node;

proximal bracts lanceolate, 7–28 × 2–6 mm;

peduncles and pedicels glandular-pubescent.

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.

calyx lobes lanceolate, 4.8–7.5 × 0.9–1.9 mm, glandular-pubescent;

corolla blue to bluish lavender or light purple, with purple nectar guides, funnelform, 14–20 mm, yellow-lanate internally abaxially, tube 4–6 mm, throat gradually inflated, not constricted at orifice, 5–7 mm diam., rounded or slightly 2-ridged abaxially;

stamens: longer pair reaching orifice or exserted, pollen sacs parallel, navicular, 1.3–1.6 mm, dehiscing completely, sutures papillate;

staminode 7–9 mm, included or reaching orifice, 0.7–0.9 mm diam., tip straight to recurved, distal 5–6 mm sparsely to densely pilose, hairs golden yellow, to 2 mm;

style 8–10 mm.

6–10 × 4–6 mm.

6–10 × 3–5.5 mm.