Flora of North America species comparison

ascending to erect, 15–55 cm, glabrous, glaucous.

ascending to erect, 30–60 cm, glaucous.

basal and cauline, ± leathery or not, glabrous, glaucous;

basal and proximal cauline (15–)30–115 × 4–25 mm, blade elliptic to oblanceolate or spatulate, base tapered, margins entire, apex obtuse to acute;

cauline 3–6 pairs, sessile or proximals short-petiolate, (17–)40–72 × 9–28 mm, blade ovate to lanceolate, base tapered to clasping, margins entire, apex obtuse to acute.

basal and proximal cauline 26–56 × 7–15 mm, blade lanceolate to elliptic, base tapered, margins coarsely dentate or serrate, apex obtuse to acute;

cauline 4–7 pairs, short-petiolate or sessile, 30–55 × 5–32 mm, blade ovate to lanceolate, base tapered or auriculate-clasping to connate-perfoliate on distal leaves, margins coarsely dentate, apex acute to acuminate.

continuous or interrupted, cylindric, 2–21 cm, axis glabrous, verticillasters 1–6, cymes (2 or)3–8-flowered, 2 per node;

proximal bracts lanceolate, 9–45 × 4–13 mm, margins entire;

peduncles and pedicels erect, glabrous.

interrupted, secund, 8–30 cm, axis glabrous or sparsely glandular-pubescent distally, verticillasters 3–10, cymes 1–3-flowered;

proximal bracts ovate to triangular, 12–35 × 8–32 mm;

peduncles and pedicels ascending to erect, glandular-pubescent.

calyx lobes ovate to lanceolate, 2.5–4.5 × 1–2.4 mm, glabrous;

corolla violet to blue or purple, with light violet nectar guides, funnelform, 11–15 mm, glabrous externally, sparsely whitish or yellowish pubescent internally abaxially, tube 3–4 mm, throat gradually inflated, 3.5–5 mm diam., 2-ridged abaxially;

stamens: longer pair exserted, pollen sacs opposite, navicular, 0.5–0.7 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth;

staminode 7–8 mm, reaching orifice, 0.2–0.3 mm diam., tip straight to slightly recurved, distal 0.5–2 mm sparsely to densely pilose, hairs golden yellow, to 0.8 mm;

style 8–10 mm.

calyx lobes ovate to elliptic, 3.5–5.5 × 2.5–3.8 mm, glandular-pubescent;

corolla pink to rose pink, with reddish purple nectar guides, strongly bilabiate, ventricose, 23–27 mm, glandular-pubescent externally, glandular-pubescent internally, also usually moderately white-lanate abaxially, tube 6–10 mm, length 1.6–2 times calyx lobes, throat abruptly inflated, ± constricted at orifice, 9–12 mm diam., rounded abaxially;

stamens: longer pair reaching orifice, filaments of shorter pair glandular-puberulent proximally, pollen sacs explanate, 1.3–1.6 mm, sutures smooth;

staminode 16–18 mm, exserted, 0.4–0.6(–1) mm diam., tip straight, glabrous or distal 2–4 mm moderately lanate, hairs yellow, to 1 mm;

style 17–22 mm, glabrous.

5–6 × 3.5–4.5 mm, glabrous.

9–12 × 6–7 mm, glabrous.

= 48.

= 16.