Flora of North America species comparison

ascending to erect, 10–40 cm, puberulent or retrorsely hairy proximally, rarely glabrous, glandular-pubescent distally, not glaucous.

ascending to erect, 40–100 cm, glabrous or retrorsely hairy, not glaucous.

basal and cauline, not leathery, glabrous;

basal and proximal cauline 20–102 × 4–15 mm, blade lanceolate to oblanceolate or spatulate, base tapered, margins serrulate or denticulate, sometimes entire, apex obtuse to acute;

cauline (2 or)3–5 pairs, sessile, 18–50(–70) × 3–14 mm, blade ovate to lanceolate, base tapered to clasping, margins serrulate or denticulate, sometimes entire, apex acute to acuminate.

glabrous or retrorsely hairy, not glaucous;

basal and proximal cauline 50–100(–200) × 15–28(–50) mm, blade obovate to elliptic, base tapered, margins entire, apex obtuse to acute;

cauline 3–5 pairs, short-petiolate or sessile, 24–90(–145) × 8–28 mm, blade ovate or lanceolate, proximals sometimes oblanceolate, base tapered to cordate-clasping, apex acute, rarely obtuse.

interrupted or continuous, cylindric, 5–18 cm, axis glandular-pubescent, verticillasters 3–6(–8), cymes 2–5-flowered, 2 per node;

proximal bracts ovate to lanceolate, 6–40 × 2–10 mm, margins entire or serrulate to denticulate;

peduncles and pedicels ascending to erect, puberulent or glandular-pubescent.

secund, (9–)25–45 cm, axis glabrous or retrorsely hairy, verticillasters 4–12, cymes 1- or 2(–4)-flowered;

proximal bracts lanceolate, 6–49 × 1–8 mm;

peduncles and pedicels erect, sometimes ascending, glabrous or sparsely puberulent.

calyx lobes ovate to lanceolate, 2–4.5 × 1.5–2.5 mm, glandular-pubescent;

corolla blue to light purple or violet, with reddish purple to bluish purple nectar guides, funnelform, 10–16(–18) mm, glandular-pubescent externally, moderately white-pilose internally abaxially, tube 4–5 mm, throat 3–5 mm diam., 2-ridged abaxially;

stamens included, pollen sacs divergent to opposite, navicular, 0.6–0.8 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth or ± papillate;

staminode 8–10 mm, included or reaching orifice, 0.2–0.3 mm diam., tip straight to slightly recurved, distal 4–5 mm moderately to densely villous, hairs golden yellow, to 1.3 mm;

style 8–11 mm.

calyx lobes ovate, (2.5–)3–5(–6) × 1.8–3 mm, margins erose, rarely entire, glabrous;

corolla red to scarlet, essentially without nectar guides, nearly radially symmetric, weakly bilabiate, tubular, 24–30(–33) mm, glabrous internally, tube 6–10 mm, throat 5–7(–9) mm diam., not constricted at orifice, rounded abaxially, abaxial lobes projecting to barely spreading, adaxial lobes projecting to barely spreading;

stamens included, reaching orifice, or exserted, pollen sacs parallel, proximal 1/4–1/2 indehiscent, (1.4–)1.8–2.4(–2.8) mm, sides glabrous or obscurely hispidulous with tan enations less than 0.1 mm, sutures papillate or denticulate, teeth to 0.1 mm;

staminode 14–17 mm, included, tip straight, glabrous or distal 1–4 mm sparsely to densely pubescent, hairs yellow, to 1 mm;

style 23–27 mm, usually exserted.

5–7 × 2–3 mm, glabrous.

10–14 × 4–8 mm.

= 16.