Flora of North America species comparison

ascending to erect, 20–50(–65) cm, glabrous or retrorsely hairy, not glaucous.

ascending to erect, 14–35(–50) cm, glabrous or sparsely retrorsely hairy proximally, usually sparsely glandular-pubescent distally.

basal and cauline, basal often poorly developed, not leathery, glabrous;

basal and proximal cauline 20–75 × 2–5(–7) mm, blade narrowly elliptic to linear, base tapered, margins entire, apex obtuse to acute;

cauline 5–8 pairs, sessile or proximals long-petiolate, 15–75 × 2–8 mm, blade lanceolate to linear, base tapered, margins entire, apex acute.

basal and cauline, leathery or not, glabrous or sparsely retrorsely hairy proximally adaxially;

basal and proximal cauline petiolate, 30–80(–100) × 6–12 mm, blade oblanceolate to lanceolate, base tapered, margins entire or obscurely serrate, apex obtuse to acute or mucronate;

cauline 3 or 4 pairs, sessile, 28–78 × 3–7 mm, blade oblanceolate to lanceolate, base attenuate to clasping, margins entire, apex obtuse to acute.

interrupted or continuous, cylindric, 3–25 cm, axis glandular-pubescent, verticillasters 2–6(–10), cymes 1–7-flowered, 2 per node;

proximal bracts lanceolate, 6–55 × 1–8 mm, margins entire;

peduncles and pedicels erect, glandular-pubescent.

interrupted, cylindric, (3–)7–24 cm, axis glandular-pubescent, verticillasters 3–8, cymes 3–12-flowered, 2 per node;

proximal bracts lanceolate to linear, 22–65 × 2–10 mm;

peduncles and pedicels glandular-pubescent.

calyx lobes obovate to ovate or lanceolate, 1.5–3 × 0.7–1.5 mm, glandular-pubescent;

corolla violet to light blue, pink, or light purple, with or without pink or purple nectar guides, tubular to tubular-funnelform, 8–10 mm, glandular-pubescent externally, moderately yellow-pilose internally abaxially, tube 3–4 mm, throat slightly inflated, 2–3 mm diam., slightly 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular to subexplanate, 0.4–0.5 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth;

staminode 4–6 mm, included, 0.3–0.4 mm diam., tip straight, distal 0.3–0.5 mm sparsely pilose, hairs yellow, to 0.4 mm;

style 7–8 mm.

calyx lobes lanceolate, 6–8(–9) × 1.5–2 mm, glandular-pubescent;

corolla blue to lavender, with dark violet nectar guides, bilabiate, tubular-funnelform, 10–13 mm, sparsely to moderately yellow-lanate internally abaxially, tube 4–5 mm, throat gradually inflated, not constricted at orifice, 3–5 mm diam., rounded abaxially;

stamens reaching orifice or longer pair exserted, pollen sacs opposite, navicular, 0.9–1.5 mm, dehiscing completely, sutures papillate;

staminode 6–8 mm, exserted, 0.3–0.4 mm diam., tip straight, distal 4–5 mm moderately to densely retrorsely-pubescent, hairs golden yellow, to 0.6 mm;

style 6–8 mm.

3.5–5 × 2–3 mm, glabrous.

8–12 × 4–7 mm.

= 32.