Flora of North America species comparison

12–50 cm.

ascending to erect, 17–40 cm, retrorsely hairy, sometimes also ± glandular-pubescent distally, not glaucous.

cauline 5–15 pairs (distal ones much-reduced), 5–30(–46) × 4–15 mm, blade base tapered to acute to cuneate, margins sharply dentate, especially distally, or entire, apex obtuse to acute.

basal and cauline, not leathery, retrorsely hairy, sometimes only along midribs and margins;

basal and proximal cauline 12–130 × 10–35 mm, blade ovate to elliptic, base tapered, margins entire or ± denticulate, apex obtuse to acute;

cauline 3 or 4 pairs, petiolate or sessile, 33–100 × 12–27 mm, blade ovate to lanceolate, base tapered to truncate, sometimes clasping on distal ones, margins entire or ± denticulate, apex acute.

(2–)5–15(–40) cm, verticillasters (2 or)3–7(–12), cymes 1- or 2(or 3)-flowered;

proximal bracts elliptic to lanceolate, 2–5 × 1–3 mm;

peduncles and pedicels glandular-pubescent.

interrupted, cylindric, 5–15 cm, axis glandular-pubescent, verticillasters 3–5, cymes 2–6-flowered, 2 per node;

proximal bracts ovate to lanceolate, 18–50 × 4–22 mm, margins entire;

peduncles and pedicels erect, glandular-pubescent.

calyx lobes elliptic to ovate, 3.5–5 × 1.5–2.2 mm;

corolla unlined internally, 22–27 mm, glandular-pubescent internally, tube 4–5 mm, throat 6–7 mm diam.;

pollen sacs 1.2–1.5 mm;

staminode 16–19 mm;

style 18–25 mm.

calyx lobes lanceolate, 3–6.5 × 0.9–1.5 mm, glandular-pubescent;

corolla lavender to purple, with reddish purple nectar guides, bilabiate, not personate, funnelform, 16–20 mm, glandular-pubescent externally, densely white-lanate internally abaxially, tube 5–7 mm, throat gradually inflated, 5–6 mm diam., 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular, 0.9–1.2 mm, dehiscing completely, connective splitting, sides glabrous, sutures papillate;

staminode 10–12 mm, included or reaching orifice, 0.4–0.5 mm diam., tip recurved, distal 5–6 mm ± villous, hairs golden yellow, to 1.5 mm;

style 10–13 mm.

7–10 × 5–7 mm.

5–8 × 3–4 mm, glabrous.