Flora of North America species comparison

20–40 cm, glabrous or glabrate.

ascending to erect, 30–150 cm, glaucous, sometimes not.

10–20 pairs, 5–32 × 0.3–2 mm, blade base tapered, margins glabrous or scabrous, apex acuminate to mucronate.

basal and proximal cauline 35–80 × 18–30 mm, blade spatulate to ovate or elliptic, base tapered, margins coarsely serrate to coarsely dentate, apex rounded to acute;

cauline 4–7 pairs, sessile, 18–80 × 10–40 mm, blade ovate-oblong to triangular-ovate, base connate-perfoliate, margins finely serrate, apex obtuse to acute or acuminate.

2–15(–23) cm, verticillasters (2–)5–10(–30), cymes 1- or 2-flowered;

proximal bracts linear, 3–22 × 0.2–1 mm;

peduncles and pedicels glabrous or scabrous.

interrupted, secund, 16–45 cm, axis glabrous or sparsely glandular-pubescent distally, verticillasters 8–14, cymes 2–6-flowered;

proximal bracts depressed-ovate to ovate or triangular, 12–50 × 15–55 mm;

peduncles and pedicels erect, sparsely glandular-pubescent.

calyx lobes ovate, 1–2.7 × 0.9–1.5 mm;

corolla lavender to violet, lined internally abaxially with reddish purple nectar guides, funnelform, 8–14 mm, glandular-pubescent internally in 2 lines on abaxial surface, sometimes also in sinuses of adaxial lobes, tube (1.5–)2–3 mm, throat 3–5 mm diam.;

stamens included or longer pair reaching orifice or barely exserted, pollen sacs 0.4–0.5 mm;

staminode 5–6 mm;

style 7–9 mm.

calyx lobes ovate, 3–4.2(–5) × 1.5–2.5 mm, glandular-pubescent;

corolla rose to magenta or pinkish lavender, without nectar guides, bilabiate, funnelform to slightly ventricose, 16–20 mm, glandular-pubescent externally, glandular-pubescent internally, tube 5–6 mm, length 1.7–2 times calyx lobes, throat gradually inflated, not constricted at orifice, 4–6 mm diam., rounded abaxially;

stamens included, filaments glabrous, pollen sacs explanate, 1.1–1.5 mm, sutures smooth;

staminode 9–13 mm, included, 0.2–0.3 mm diam., tip straight, glabrous;

style 10–12 mm, glabrous.

(4–)5–8 × 3–4 mm.

7–10 × 4–6 mm, glabrous.

= 16.