Flora of North America species comparison

20–40 cm, glabrous or glabrate.

ascending to erect, 13–33 cm, ± retrorsely pubescent.

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

basal and cauline, not leathery, glabrous or ± retrorsely hairy along margins;

basal and proximal cauline petiolate, 20–90 × (3–)6–12 mm, blade oblanceolate to lanceolate, base tapered, margins sharply serrate-dentate, rarely entire, apex obtuse to acute;

cauline 2–4 pairs, sessile, (20–)30–56 × 3–6 mm, blade oblanceolate, base clasping, margins coarsely serrate-dentate or dentate, apex obtuse.

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, cylindric, 7–15(–21) cm, axis glandular-pubescent, verticillasters 3–7, cymes (1 or)2–7-flowered, 2 per node;

proximal bracts lanceolate, 18–40 × 2–5 mm;

peduncles and pedicels 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 lanceolate, 3.8–6 × 1.1–2 mm, glandular-pubescent;

corolla blue to violet or light purple, rarely pink, with or without purple nectar guides, ventricose, 10–15 mm, yellowish lanate internally abaxially, tube 4–6 mm, throat gradually inflated, not constricted at orifice, 4–6 mm diam., slightly 2-ridged abaxially;

stamens included, pollen sacs parallel, navicular, 1.2–1.5 mm, dehiscing completely, sutures papillate;

staminode 7–10 mm, prominently exserted, 0.4–0.6 mm diam., tip straight to recurved, distal 5–7 mm moderately to densely pilose, hairs orange, to 0.8 mm;

style 6–7 mm.

(4–)5–8 × 3–4 mm.

5–7 × 4–5 mm.

= 16.