Flora of North America species comparison

ascending or erect, 50–120 cm, glaucous.

decumbent to erect, (2–)5–30(–65) cm, retrorsely hairy, not glaucous.

basal and proximal cauline 45–80(–100) × 15–30(–40) mm, blade obovate to ovate, oblanceolate, or lanceolate, base tapered, margins coarsely dentate, apex obtuse to acute;

cauline 6–9 pairs, sessile or proximals short-petiolate, 50–100 × (8–)20–45 mm, blade ovate to lanceolate, base cordate-clasping or tapered, margins coarsely dentate, apex acute, sometimes obtuse.

basal and cauline, not leathery, glabrous or retrorsely hairy;

basal and proximal cauline (8–)15–105 × 2–22(–32) mm, blade obovate to ovate or oblanceolate, base tapered, margins entire, sometimes serrulate or serrate, apex obtuse to acute;

cauline (1 or)2–4 pairs, sessile or proximals short-petiolate, 10–35(–45) × 1–11 mm, blade obovate to oblanceolate or lanceolate, base tapered to clasping, margins entire, rarely ± serrate, apex obtuse to acute.

interrupted, secund, 30–80 cm, axis glabrous or sparsely glandular-pubescent distally, verticillasters 9–19, cymes 1–5-flowered;

proximal bracts lanceolate, 10–55 × 2–30 mm;

peduncles and pedicels ascending to erect, glandular-pubescent.

interrupted, cylindric to ± secund, (1–)3–20(–39) cm, axis moderately glandular-pubescent, verticillasters (1–)3–9(–11), cymes (1 or)2–6(–11)-flowered, 2 per node;

proximal bracts lanceolate, rarely ovate, 6–34(–48) × 1–11 mm, margins entire;

peduncles and pedicels ascending to erect, glandular-pubescent and, usually, retrorsely hairy.

calyx lobes ovate, 4.2–6 × 2–3 mm, glandular-pubescent;

corolla lavender to light pink, rose pink, or light yellow, with reddish nectar guides, strongly bilabiate, ventricose, 21–32 mm, glandular-pubescent externally, glandular-pubescent internally, tube 6–12 mm, length 2–2.2 times calyx lobes, throat gradually to abruptly inflated, constricted or slightly so at orifice, 6–16 mm diam., rounded abaxially;

stamens included, filaments glabrous, pollen sacs explanate, 1.4–1.8 mm, sutures smooth;

staminode 16–19 mm, included, 0.7–0.9 mm diam., tip straight, glabrous;

style 15–20 mm, glabrous.

calyx lobes ovate to lanceolate, 2.8–5(–6) × 1–1.9 mm, margins entire or erose, apex acute, glandular-pubescent;

corolla blue to purple or violet, with reddish violet nectar guides, bilabiate, not personate, tubular-funnelform, (7–)8–19 mm, glandular-pubescent externally, sparsely to moderately white- or yellow-lanate internally abaxially, tube 2–5 mm, throat slightly inflated, (3–)4.5–6 mm diam., 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular, 0.5–0.8 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth or papillate;

staminode (3–)7–9 mm, included, 0.1–0.3 mm diam., tip slightly recurved, distal 1–4 mm sparsely to densely pilose, hairs yellow or golden yellow, to 0.7 mm (medial hairs sparser and shorter);

style 6–12 mm.

8–13 × 4–7 mm, glabrous.

4–6 × 2.5–3.5 mm, glabrous.

= 16.