Flora of North America species comparison

ascending to erect, 50–100(–150) cm, glabrous.

ascending to erect, (10–)20–65 cm, glabrous or sparsely retrorsely hairy distally, not glaucous.

basal and cauline, glabrous;

basal and proximal cauline 40–100 × (8–)14–30 mm, blade spatulate to ovate, base tapered, apex rounded to obtuse, rarely retuse;

cauline 5–9 pairs, sessile, 12–110 × 16–70 mm, blade oblong to ovate, base clasping to connate-perfoliate, apex obtuse to acute.

basal and cauline, not leathery, glabrous;

basal and proximal cauline 28–160(–235) × 8–25(–35) mm, blade oblanceolate to elliptic, base tapered, margins entire, apex obtuse to acute;

cauline 2–5 pairs, sessile or proximals short-petiolate, 10–130 × 3–35 mm, blade oblong to ovate or lanceolate, base truncate to clasping, margins entire, apex obtuse to acute.

interrupted, cylindric, 15–50 cm, axis glabrous, verticillasters 6–10(–16), cymes 1–5-flowered;

proximal bracts ovate, 9–45 × 14–40 mm;

peduncles and pedicels glabrous.

continuous or interrupted, cylindric, (1–)2–11(–27) cm, axis glabrous or sparsely retrorsely hairy, verticillasters 1–3(or 4), cymes (2–)4–13-flowered, 2 per node;

proximal bracts lanceolate, (5–)16–66 × (1–)4–19 mm, margins entire;

peduncles and pedicels erect, glabrous.

calyx lobes lanceolate, 4.5–7 × 1.8–2.9 mm, margins entire, narrowly scarious, glabrous;

corolla red, without nectar guides, tubular-funnelform, 32–36 mm, glabrous externally, glabrous internally, tube 8–11 mm, throat abruptly inflated, 9–12 mm diam., rounded abaxially;

stamens exserted, pollen sacs opposite, explanate, 1.3–1.7 mm, sutures smooth;

staminode 18–20 mm, exserted, 0.2–0.3 mm diam., tip straight to recurved, glabrous;

style 24–31 mm.

calyx lobes oblanceolate to lanceolate, (4–)5–9 × 1.4–3.5 mm, glabrous;

corolla blue to purple or violet, without nectar guides, tubular-funnelform, 14–21 mm, glabrous externally, moderately white- or yellowish pilose internally abaxially, tube 5–6 mm, throat slightly inflated to slightly ventricose, 4–7 mm diam., 2-ridged abaxially;

stamens included, pollen sacs divergent, saccate, 0.7–1.2 mm, dehiscing incompletely, distal 1/5–1/4 indehiscent, connective not splitting, sides glabrous, sutures papillate;

staminode 7–9 mm, included, 0.4–0.7 mm diam., tip straight to slightly recurved, distal 1–2 mm densely pilose to lanate, hairs golden yellow, to 1.4 mm, medial 2–4 mm sparsely lanate;

style 8–10 mm.

9–13 × 6–10 mm.

5–7 × 3–4 mm, glabrous.

= 16, 32.