Flora of North America species comparison

ascending to erect, (20–)30–100 cm, puberulent to pubescent, sometimes glabrous, not glaucous.

erect, 25–85(–100) cm, glabrous, not glaucous.

basal and cauline, not leathery, puberulent to pubescent, sometimes only along midvein and margins;

basal and proximal cauline 40–150(–230) × 14–50(–70) mm, blade ovate to deltate-ovate, base truncate to tapered, margins serrate-dentate, apex obtuse to acute;

cauline (3–)5–7 pairs, sessile, 25–80(–120) × 15–45(–70) mm, blade oblong to ovate or triangular-ovate, base clasping, margins serrate, apex acute.

basal and cauline, basal often withering by anthesis, not leathery, glabrous;

basal and proximal cauline 25–110 × 6–38 mm, blade spatulate to ovate, base tapered, margins entire or ± serrate, apex rounded to obtuse;

cauline 5–8(–10) pairs, sessile, 15–100(–135) × 4–20(–38) mm, blade ovate to lanceolate, base tapered to clasping, margins entire or ± serrate, apex acute to acuminate.

interrupted, narrowly conic, 6–30 cm, axis densely glandular-pubescent, verticillasters 4–10, cymes 5–13-flowered, 2 per node;

proximal bracts ovate to lanceolate, 11–35(–70) × 4–30(–45) mm, margins serrate, sometimes entire;

peduncles and pedicels ascending to erect, densely glandular-pubescent.

interrupted, cylindric, 8–30(–40) cm, axis glandular-pubescent, verticillasters 4–8(–12), cymes 3–9-flowered, 2 per node;

proximal bracts ovate to lanceolate, 9–50 × 2–10 mm, margins entire or ± serrulate;

peduncles and pedicels ascending to erect, glabrous or glandular-pubescent.

calyx lobes ovate to lanceolate, (2–)3–5 × 0.9–1.6(–1.9) mm, margins narrowly scarious, sparsely to densely glandular-pubescent;

corolla violet to blue or purple, with reddish purple nectar guides, funnelform, 15–22 mm, glandular-pubescent externally, densely white-villous internally abaxially, rarely glabrous, tube 5–6 mm, throat slightly inflated, 5–7 mm diam., 2-ridged abaxially;

stamens included, pollen sacs opposite, navicular, 0.8–1.1 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth or papillate;

staminode 9–12 mm, reaching orifice or slightly exserted, 0.3–0.4 mm diam., tip recurved, distal 1–2 mm densely pilose, hairs yellow, to 1.5 mm;

style 9–12 mm.

calyx lobes ovate, 2.5–5 × 1.5–2.5 mm, glandular-pubescent;

corolla white, without nectar guides, funnelform, 15–22 mm, glandular-pubescent externally, glandular-pubescent internally, tube slightly differentiated, 5–7 mm, throat slightly inflated, 4–6 mm diam., rounded abaxially;

stamens included or longer pair reaching orifice, pollen sacs divergent, explanate, 0.8–1 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth;

staminode 9–11 mm, included or reaching orifice, 0.2–0.3 mm diam., tip recurved, distal 3–4 mm sparsely villous, hairs yellowish or brownish yellow, to 0.8 mm;

style 10–12 mm.

4–6 × 2.5–4.5 mm, glabrous.

7–10 × 3–5 mm, glabrous.

= 16.

= 32.