Flora of North America species comparison

ascending to erect, 8–25(–40) cm, densely retrorsely hairy, not glaucous.

erect, 50–120 cm, glaucous.

basal and cauline, or basal absent or reduced, not leathery, retrorsely hairy or glabrous, sometimes glabrescent, not glaucous;

basal and proximal cauline 30–75(–100) × 2–18(–27) mm, blade oblanceolate to elliptic, base tapered, margins entire, apex obtuse to acute;

cauline 2–4 pairs, sessile, rarely short-petiolate, 22–77 × 3–10(–15) mm, blade lanceolate, proximals sometimes oblanceolate, base tapered to truncate, apex acute.

basal and proximal cauline 25–100 × (5–)10–35 mm, blade oblanceolate, base tapered, margins coarsely dentate, apex obtuse to acute;

cauline 3–5 pairs, sessile, 25–65 × 12–25 mm, blade lanceolate, base sessile, clasping or distal ones connate-perfoliate, margins coarsely dentate, apex acute.

interrupted to ± continuous, cylindric, (3–)8–22(–28) cm, axis moderately to densely retrorsely hairy, verticillasters (5–)7–15, cymes (1 or)2- or 3-flowered, 2 per node;

proximal bracts lanceolate, 16–50(–63) × 3–10 mm;

peduncles and pedicels retrorsely hairy.

interrupted, secund, 20–60 cm, axis glabrous, sometimes sparsely glandular-pubescent distally, verticillasters 10–16, cymes 2- or 3-flowered;

proximal bracts lanceolate, 15–60 × 4–22 mm;

peduncles and pedicels ascending to erect, glandular-pubescent.

calyx lobes ovate, (3–)4–6.8 × 1.7–2.8 mm, glabrous, rarely ± puberulent;

corolla blue to violet or purple, with violet nectar guides, funnelform, (12–)14–23(–28) mm, glabrous externally, glabrous internally, tube 6–8 mm, throat gradually inflated, not constricted at orifice, 6–9 mm diam., rounded abaxially;

stamens included, pollen sacs divergent, navicular, (1–)1.2–1.5(–1.8) mm, dehiscing incompletely, proximal 1/4 indehiscent, connective not splitting, sides sparsely to moderately hispid, hairs white or tan, to 0.4(–1) mm, sutures papillate or denticulate, teeth to 0.1 mm;

staminode 10–12 mm, included, 0.8–1.1 mm diam., tip recurved, distal 5–7 mm sparsely pilose, hairs yellow, to 1 mm;

style 12–15 mm.

calyx lobes ovate, 4–5.5 × 2–2.7 mm, glandular-pubescent;

corolla pink to rose pink, with reddish nectar guides, strongly bilabiate, ventricose to ventricose-ampliate, (27–)30–35 mm, glandular-pubescent externally, sparsely white-lanate internally abaxially, not glandular-pubescent, tube 7–10 mm, length 1.8–2 times calyx lobes, throat gradually inflated, not constricted at orifice, 10–16 mm diam., rounded abaxially;

stamens included or longer pair exserted, filaments glabrous, pollen sacs navicular, 1.2–1.5 mm, sutures smooth;

staminode 22–24 mm, exserted, 0.4–0.6 mm diam., tip recurved, distal 6–7 mm pilose, hairs yellow or golden yellow, to 2 mm;

style 18–24 mm, glabrous.

7–10 × 5–6 mm.

7–11 × 4–6 mm, glabrous.