Flora of North America species comparison

decumbent to ascending or erect, 15–90 cm, retrorsely hairy, hairs pointed, not glaucous.

ascending to erect, 30–60 cm, glaucous.

cauline, opposite, puberulent or retrorsely hairy, hairs pointed, sometimes glabrate, not glaucous;

cauline 4–8 pairs, sessile or proximals short-petiolate, 13–85(–110) × 2–22 mm, blade oblanceolate to lanceolate or linear, base tapered to truncate, margins entire, apex 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.

interrupted, cylindric, 10–30(–43) cm, axis glandular-pubescent, verticillasters 6–12, cymes 1–5-flowered, 2 per node;

proximal bracts lanceolate, rarely linear, 9–40 × 2–10 mm;

peduncles and pedicels spreading to ascending, glandular-pubescent.

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, 4–11 × 1–2.8 mm, glandular-pubescent;

corolla violet to blue or purple, with or without violet nectar guides, funnelform to ampliate, 21–35 mm, glandular-pubescent externally, glabrous internally, tube 6–9 mm, throat gradually inflated, 8–10 mm diam., 2-ridged abaxially;

stamens included or longer pair reaching orifice, filaments glabrous, pollen sacs parallel, 1.8–2.8 mm, distal 1/5–1/3 indehiscent, sides pubescent to lanate, hairs white, to 1 mm near filament attachment, sutures denticulate, teeth to 0.3 mm;

staminode 17–19 mm, included or reaching orifice, 0.5–0.6 mm diam., glabrous;

style 16–22 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.

7–9 × 4–6 mm.

9–12 × 6–7 mm, glabrous.

= 16.