Flora of North America species comparison

erect, (40–)50–95(–120) cm, glabrous.

erect, 3–40(–44) cm, glaucous.

basal and cauline, glabrous;

basal and proximal cauline 30–160 × 6–50 mm, blade spatulate to obovate, base tapered, apex rounded to obtuse or acute;

cauline 4–8 pairs, sessile, 18–90(–110) × 15–50 mm, blade spatulate to orbiculate, base clasping, apex rounded to obtuse.

glabrous or obscurely scabrous, especially along margins, glaucous;

basal and proximal cauline (25–)30–60 × 5–10(–14) mm, blade oblanceolate, base tapered, margins entire, apex obtuse to acute, sometimes mucronate;

cauline 2 or 3 pairs, sessile, 15–50(–57) × 2–8(–12) mm, blade lanceolate to linear, base tapered, margins entire, apex acute.

interrupted, cylindric, 12–30(–40) cm, axis glabrous, verticillasters 3–7(–9), cymes 2–4-flowered;

proximal bracts ovate to elliptic or orbiculate, (9–)16–83 × (9–)16–54 mm;

peduncles and pedicels glabrous.

± interrupted, cylindric to ± secund, (2–)3–25(–30) cm, axis glabrous, verticillasters 3–10, cymes 1–5-flowered;

proximal bracts lanceolate, 7–30(–50) × 3–12 mm;

peduncles and pedicels ascending to erect, glabrous.

calyx lobes ovate to lanceolate, 7–11 × 2.5–4 mm, margins entire, rarely erose, herbaceous or narrowly scarious, glabrous;

corolla lavender to blue or pinkish blue, with magenta nectar guides, ampliate, 35–48 mm, glabrous externally, glabrous internally, tube 10–13 mm, throat abruptly inflated, 15–18 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, 2.1–2.6 mm, sutures papillate;

staminode 16–21 mm, included or reaching orifice, 2–2.6 mm diam., tip recurved to coiled, distal 1–2 mm sparsely villous, hairs golden yellow, to 0.5 mm;

style 19–30 mm.

calyx lobes ovate to obovate, rarely elliptic, (3.5–)4–6 × 1.8–3 mm, margins entire or erose, glabrous;

corolla violet or reddish violet to purple, with reddish or reddish purple nectar guides, bilaterally symmetric, bilabiate, tubular-funnelform, 14–18(–20) mm, glabrous or glandular-pubescent externally, glabrous or glandular-pubescent internally, tube 6–8 mm, throat gradually inflated, 6–7 mm diam., rounded or slightly 2-ridged abaxially;

stamens included, pollen sacs navicular, sometimes explanate, 0.9–1.2 mm, sutures smooth or papillate;

staminode 8–9 mm, flattened distally, 0.5–0.6 mm diam., tip recurved, distal 1–2 mm papillate, papillae golden yellow, to 0.2 mm, rarely glabrous;

style 10–12 mm.

16–20(–25) × 8–15 mm.

8–11 × 4–6 mm.

= 16.