Flora of North America species comparison

ascending to erect, 30–70 cm, glaucous.

ascending to erect, 25–80 cm, retrorsely hairy, not glaucous.

basal and proximal cauline 15–90 × 8–35 mm, blade ovate, base truncate to tapered, margins entire or coarsely dentate, apex acute;

cauline 4–7 pairs, short-petiolate or sessile, 10–70 × 8–32 mm, blade cordate to triangular-lanceolate, base tapered or truncate on proximal leaves to connate-perfoliate on distal leaves, margins coarsely dentate, sometimes entire, apex acute.

basal and cauline, not leathery, retrorsely hairy, not glaucous;

basal and proximal cauline (35–)50–160 × (5–)8–24 mm, blade oblanceolate to lanceolate, base tapered, margins entire, apex obtuse to acute;

cauline 4–8 pairs, short-petiolate or sessile, 25–85(–125) × 6–15 mm, blade elliptic to lanceolate, base tapered to truncate, apex acute, rarely obtuse.

interrupted, secund, 10–40(–65) cm, axis glabrous or glandular-pubescent, verticillasters 6–12(–22), cymes 2–8-flowered;

proximal bracts depressed-ovate to ovate or triangular, 6–45 × 11–26 mm;

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

interrupted or continuous, cylindric, 7–30 cm, axis retrorsely hairy proximally, mostly glandular-pubescent distally, verticillasters 3–7(–9), cymes 2–8(–10)-flowered, 2 per node;

proximal bracts lanceolate, 18–95 × 5–20 mm;

peduncles and pedicels retrorsely hairy.

calyx lobes ovate, 3.2–6 × 1.6–4 mm, glabrous or glandular-pubescent;

corolla red to reddish purple, with or without reddish or reddish purple nectar guides, bilabiate, tubular-funnelform to slightly ventricose, 17–24 mm, glandular-pubescent externally, glabrous internally or glandular-pubescent, sometimes also pilose abaxially, tube 6–9 mm, length 1.8–2 times calyx lobes, throat gradually inflated, slightly constricted or not at orifice, 5–8 mm diam., rounded abaxially;

stamens included or longer pair reaching orifice, filaments glabrous, pollen sacs navicular or explanate, 1.2–1.7 mm, sutures smooth or denticulate, teeth to 0.1 mm;

staminode 6–11 mm, included, 0.3–0.5 mm diam., tip straight to recurved, glabrous or distal 1–6 mm pilose, hairs yellow, to 0.8 mm, proximal 1–2 mm sometimes glandular-puberulent;

style 11–14 mm, glabrous.

calyx lobes ovate to lanceolate, (4.8–)6–11 × 2.2–3.5 mm, margins erose, glabrous or sparsely glandular, sometimes also sparsely puberulent;

corolla violet to blue, without nectar guides, ventricose, 25–35 mm, glabrous externally, glabrous internally, tube 7–10 mm, throat gradually inflated, not constricted at orifice, 7–11 mm diam., 2-ridged abaxially;

stamens included, pollen sacs divergent to nearly opposite, sigmoid, 1.8–2.2 mm, dehiscing incompletely, proximal 1/5–1/4 indehiscent, connective not splitting, sides sparsely hispid, hairs white, to 0.3 mm, sutures denticulate, teeth to 0.1 mm;

staminode 14–16 mm, included, 0.7–0.8 mm diam., tip straight, glabrous;

style (11–)15–22 mm.

6–9 × 5–7 mm, glabrous.

8–11 × 5–6 mm.

= 16.