Flora of North America species comparison

ascending to erect, 35–80 cm, puberulent or retrorsely hairy proximally, retrorsely hairy and sparsely glandular-pubescent distally, not glaucous.

ascending to erect, 6–20 cm, retrorsely hairy, hairs appressed, white, ± scalelike, not glaucous.

basal and cauline, basal sometimes withering by anthesis, not leathery, glabrous or puberulent along midveins and, sometimes, on proximal parts of blade;

basal and proximal cauline 55–170 × 15–60 mm, blade triangular-ovate to cordate or lanceolate, base tapered, margins crenate to sharply serrate, apex obtuse to acute;

cauline 4–6 pairs, sessile, 66–105 × 12–48 mm, blade ovate to lanceolate, proximals sometimes lyrate, base truncate to broadly clasping, margins crenate to sharply serrate, apex acute.

cauline, opposite, retrorsely hairy, hairs white, scalelike, not glaucous;

cauline 1–4 pairs, petiolate, 15–45 × 7–24 mm, blade ovate to spatulate or lanceolate, base tapered, margins entire, apex rounded to acute.

interrupted, narrowly conic, (6–)10–28 cm, axis puberulent and glandular-pubescent, verticillasters 4–7, cymes (3–)5–12-flowered, 2 per node;

proximal bracts lanceolate, 56–130 × 23–55 mm, margins sharply serrate;

peduncles and pedicels ascending to erect, puberulent and glandular-pubescent.

interrupted, cylindric, 2–7 cm, axis glandular-pubescent, sometimes also retrorsely hairy or appressed-hairy proximally, hairs white, scalelike, verticillasters 3 or 4(–7), cymes (1 or)2–5-flowered, 1 or 2 per node;

proximal bracts lanceolate, 9–25 × 1–5 mm;

peduncles and pedicels ascending, glandular-pubescent.

calyx lobes ovate to lanceolate, 3.5–5 × 1.2–2.1 mm, glandular-pubescent;

corolla lavender to violet or purple, with violet nectar guides, funnelform to ventricose-ampliate, 28–35 mm, glandular-pubescent externally, moderately white-lanate internally abaxially, tube 7–8 mm, throat abruptly inflated, 9–16 mm diam., 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular, 1.3–1.5 mm, dehiscing completely, connective splitting, sides glabrous, sutures papillate;

staminode 15–18 mm, included, 0.4–0.6 mm diam., tip straight, distal 13–15 mm ± pilose, hairs yellow, to 2 mm;

style 17–20 mm.

calyx lobes lanceolate, 4–4.8 × 1.4–2 mm, glandular-pubescent;

corolla violet to lavender, without nectar guides, abaxial ridges usually white, weakly ventricose, 15–20 mm, glandular-pubescent externally, glabrous internally, tube 4–6 mm, throat gradually inflated, 4–5 mm diam., 2-ridged abaxially;

stamens included or longer pair reaching orifice, filaments glabrous, pollen sacs nearly parallel to divergent, 1.1–1.6 mm, distal 2/3 indehiscent, sides glabrous, sutures denticulate, teeth to 0.1 mm;

staminode 8–10 mm, exserted, 0.3–0.6 mm diam., glabrous or sparsely pilose, hairs yellow, to 0.2 mm;

style 10–13 mm.

7–10 × 4–5 mm, glabrous.

6–8 × 4–5 mm.

= 16.

= 16.