Flora of North America species comparison

ascending to erect, 10–35(–46) cm, glabrous.

erect, 50–120 cm, glaucous.

basal and cauline, glabrous;

basal and proximal cauline 23–65(–100) × (9–)13–40 mm, blade oblanceolate, base tapered, apex rounded to obtuse or acute;

cauline (2–)4–6(–9) pairs, sessile, (8–)20–30 × 8–26 mm, blade ovate to orbiculate, base clasping, apex mucronate.

basal and proximal cauline 25–100 × (5–)10–35 mm, blade oblanceolate, base tapered, margins coarsely dentate, apex obtuse to acute;

cauline 3–5 pairs, sessile, 25–65 × 12–25 mm, blade lanceolate, base sessile, clasping or distal ones connate-perfoliate, margins coarsely dentate, apex acute.

interrupted, cylindric, (2–)11–18(–27) cm, axis glabrous, verticillasters 6–9(–15), cymes 2–6-flowered;

proximal bracts orbiculate to ovate, 7–28 × 3–26 mm;

peduncles and pedicels glabrous.

interrupted, secund, 20–60 cm, axis glabrous, sometimes sparsely glandular-pubescent distally, verticillasters 10–16, cymes 2- or 3-flowered;

proximal bracts lanceolate, 15–60 × 4–22 mm;

peduncles and pedicels ascending to erect, glandular-pubescent.

calyx lobes ovate, (3–)4.5–6.5 × 1.5–2.3 mm, margins entire or erose, broadly scarious, glabrous;

corolla blue to violet, with reddish violet nectar guides, guides sometimes passing onto limb, tubular-funnelform, (10–)13–17(–20) mm, glabrous externally, sparsely white-villous internally abaxially, tube (5–)7–10 mm, throat gradually inflated, 4.5–5.5(–7) mm diam., rounded abaxially;

stamens included or longer pair reaching orifice, pollen sacs divergent to opposite, 0.7–1.1 mm, sutures papillate;

staminode 7–13 mm, reaching orifice, (0.6–)0.9–1.9 mm diam., tip strongly recurved, distal 2–5 mm moderately to densely pilose, hairs brownish yellow or golden yellow, to 1 mm;

style (7–)9–12 mm.

calyx lobes ovate, 4–5.5 × 2–2.7 mm, glandular-pubescent;

corolla pink to rose pink, with reddish nectar guides, strongly bilabiate, ventricose to ventricose-ampliate, (27–)30–35 mm, glandular-pubescent externally, sparsely white-lanate internally abaxially, not glandular-pubescent, tube 7–10 mm, length 1.8–2 times calyx lobes, throat gradually inflated, not constricted at orifice, 10–16 mm diam., rounded abaxially;

stamens included or longer pair exserted, filaments glabrous, pollen sacs navicular, 1.2–1.5 mm, sutures smooth;

staminode 22–24 mm, exserted, 0.4–0.6 mm diam., tip recurved, distal 6–7 mm pilose, hairs yellow or golden yellow, to 2 mm;

style 18–24 mm, glabrous.

8–10 × 6–7 mm.

7–11 × 4–6 mm, glabrous.

= 16.