Flora of North America species comparison

erect, (15–)20–55(–60) cm, glabrous.

ascending, 5–15(–24) cm, glabrous, not glaucous.

basal and cauline, glabrous;

basal and proximal cauline 20–100 × 4–24 mm, blade spatulate to oblanceolate, base tapered, apex rounded to obtuse or acute, sometimes mucronate;

cauline 2–5 pairs, sessile, (14–)23–95 × (4–)6–31 mm, blade lanceolate or ovate to trullate, base clasping to cordate-clasping, apex obtuse to acute.

basal and cauline, ± leathery or not, glabrous, not glaucous;

basal and proximal cauline (12–)20–60(–100) × (2–)4–12 mm, blade oblanceolate, base tapered, margins entire, apex obtuse to acute;

cauline 2–4 pairs, sessile, (10–)15–45 × 1–4(–6) mm, blade lanceolate to linear, base tapered, apex acute.

interrupted, cylindric, (5–)11–38 cm, axis glabrous, verticillasters (3 or)4–12, cymes 2- or 3(–5)-flowered;

proximal bracts trullate to ovate, 11–70 × 7–38 mm;

peduncles and pedicels glabrous.

continuous, secund, (1–)3–15 cm, axis ± glandular-pubescent, verticillasters 3–7, cymes 1(or 2)-flowered, 2 per node;

proximal bracts oblanceolate to lanceolate or linear, 9–50 × 1.5–4 mm;

peduncles and pedicels glandular-pubescent, sometimes sparsely so.

calyx lobes ovate, 4.5–7 × 1.5–3.5 mm, margins entire or erose, broadly scarious, glabrous or obscurely glandular along margins distally;

corolla lavender to violet or bluish, with violet or reddish purple nectar guides, tubular-salverform, 14–23(–28) mm, glabrous externally or glandular, glabrous or sparsely white-villous internally abaxially, tube 7–9 mm, throat slightly inflated, 4–6 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, 1–1.3 mm, sutures papillate;

staminode 8–11 mm, reaching orifice, 0.8–1.6 mm diam., tip recurved, distal 1–3 mm villous, hairs golden yellow, to 1.5 mm;

style 11–15 mm.

calyx lobes ovate, (3–)4–6.5(–7) × 2.5–3.5 mm, glandular-pubescent;

corolla blue to violet, without nectar guides, ventricose, 17–24 mm, glandular-pubescent externally, glabrous internally, tube 5–8 mm, throat gradually inflated, not constricted at orifice, 5–8 mm diam., rounded abaxially;

stamens included or longer pair reaching orifice, pollen sacs divergent, navicular, (0.8–)1–1.4 mm, dehiscing incompletely, connective not splitting, sides hispid, hairs white, to 0.3 mm, sutures denticulate, teeth to 0.1 mm;

staminode 10–12 mm, included, 0.2–0.4 mm diam., tip straight, distal 6–8 mm moderately to densely pilose, hairs yellow or yellow-orange, to 1 mm;

style 10–12 mm.

10–15 × 8–10 mm.

8–10.5 × 4.5–7 mm.

= 16.