Flora of North America species comparison

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

ascending to erect, 7–18 cm, retrorsely hairy.

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, or basal absent or reduced, leathery, glabrous or distal cauline sometimes glandular-pubescent along margins and midvein;

basal and proximal cauline petiolate, 16–50 × 5–20 mm, blade oval to elliptic, base tapered, margins entire, apex rounded to obtuse;

cauline 2 or 3 pairs, sessile or proximals short-petiolate, 25–48 × 6–15 mm, blade oblanceolate to elliptic or lanceolate, base tapered to clasping, margins entire or obscurely serrate distally, apex obtuse to acute.

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.

continuous, cylindric, 4–7 cm, axis glandular-pubescent, verticillasters 4–6, cymes 2–6-flowered, 2 per node;

proximal bracts lanceolate, 26–36 × 5–12 mm;

peduncles and pedicels 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 lanceolate, 6.2–9 × 1.7–2 mm, glandular-pubescent;

corolla lavender to pink, with violet nectar guides, ventricose-ampliate, 28–35 mm, sparsely white-lanate internally abaxially, tube 9–13 mm, throat abruptly inflated, prominently constricted at orifice, 11–15 mm diam., rounded abaxially;

stamens: longer pair reaching orifice or exserted, pollen sacs opposite, explanate, 0.9–1.4 mm, dehiscing completely, sutures smooth;

staminode 17–20 mm, prominently exserted, 0.3–0.5 mm diam., tip recurved to coiled, distal 13–16 mm densely pilose, hairs golden yellow or orange, to 0.8 mm;

style 21–24 mm.

4–6 × 2.5–4.5 mm, glabrous.

8–10 × 5–6 mm.

= 16.