Flora of North America species comparison

erect, (6–)10–45 cm, retrorsely hairy, also glandular-pubescent distally, not glaucous.

5–25(–40) cm.

basal and cauline, not leathery, proximals usually retrorsely hairy proximally, especially along midveins and margins, mostly glabrate distally, distals retrorsely hairy and, sometimes, sparsely glandular-pubescent, sometimes ± glaucescent;

basal and proximal cauline 15–75 × (2–)5–19 mm, blade spatulate to oblanceolate or elliptic, base tapered, margins entire, apex rounded to obtuse or acute, sometimes mucronate;

cauline 2–5 pairs, sessile, 11–70 × (1–)4–15 mm, blade of proximal leaves oblanceolate to lanceolate, distal leaves lanceolate, base tapered to clasping, margins entire, rarely ± denticulate distally, apex acute to acuminate.

cauline 2–4 pairs, 14–30(–35) × 6–17 mm, base tapered to cuneate, margins dentate to serrate-dentate, apex obtuse to acute.

interrupted, secund, (1–)3–24(–30) cm, axis glandular-pubescent, verticillasters (2 or)3–7, cymes 1–4-flowered, (1 or)2 per node;

proximal bracts lanceolate to linear, 7–38(–60) × 1–7 mm, margins entire;

peduncles and pedicels erect, glandular-pubescent.

3–6 cm, verticillasters 2–6, cymes 1–3(–5)-flowered;

proximal bracts ovate to lanceolate, 6–25 × 2–14 mm;

peduncles and pedicels puberulent and sparsely glandular-pubescent, especially distally.

calyx lobes lanceolate, 2.8–6 × 0.9–2 mm, glandular-pubescent;

corolla blue to violet-blue, with reddish purple nectar guides, tubular to tubular-funnelform, 11–20 mm, glandular-pubescent externally, sparsely to moderately white-villous to white-lanate internally abaxially, tube 5–7 mm, throat slightly inflated, 3–6 mm diam., 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular, 0.8–1.2 mm, dehiscing completely, connective splitting, sides glabrous, sutures papillate;

staminode 10–12 mm, included or slightly exserted, 0.3–0.4 mm diam., tip straight to slightly recurved, distal 3–6 mm densely pilose, hairs golden, to 2 mm;

style 9–13 mm.

calyx lobes lanceolate, 4.5–6 × 1.2–1.9(–2.1) mm;

corolla with violet nectar guides, 13–17 mm, sparsely glandular-pubescent externally, sparsely whitish or yellowish villous internally abaxially, tube 5–6 mm, throat 4–5 mm diam.;

stamens: pollen sacs 0.5–0.9 mm;

staminode 10–11 mm;

style 9–13 mm.

5–7 × 3–4.5 mm, glabrous.

5–7 × 4–5 mm.

= 16.