Flora of North America species comparison

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

ascending to erect, 7–27 cm, glabrous or ± puberulent distally or at nodes, 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.

essentially cauline, basal leaves absent or reduced, ± leathery, glabrous, not glaucous;

basal and proximal cauline 12–90(–105) × 3–23 mm, blade elliptic-lanceolate to oblanceolate, base tapered, margins entire, apex obtuse to acute;

cauline 2–4 pairs, petiolate or sessile, 35–95(–107) × 11–30 mm, blade elliptic-lanceolate to oblanceolate, base tapered to truncate, 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, ± secund, 3–15 cm, axis glabrous or ± glandular, verticillasters 1–7, cymes 2–8-flowered, 2 per node;

proximal bracts ovate to elliptic, 16–85 × 7–31 mm;

peduncles and pedicels glabrous or ± glandular, peduncles to 15 mm, pedicels 1–3 mm.

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 ovate to lanceolate, 6.5–12 × 2.8–4.5 mm, margins erose, apex acuminate to caudate, ± glandular;

corolla blue to violet, with violet nectar guides, ventricose, 18–33 mm, glabrous externally, glabrous internally, tube 7–9 mm, throat abruptly inflated, slightly constricted at orifice, 7–9 mm diam., rounded abaxially;

stamens included or longer pair reaching orifice, pollen sacs divergent to nearly opposite, navicular-sigmoid, (1.8–)2.2–2.6 mm, dehiscing incompletely, connective not splitting, sides sparsely to moderately hispidulous or pubescent, hairs white, to 0.3 mm;

sutures denticulate, teeth to 0.1 mm;

staminode 13–17 mm, included, 0.5–0.9 mm diam., tip straight, glabrous or distal 1–3 mm pubescent, hairs yellow, to 0.5 mm;

style 17–20 mm.

9–13 × 6–10 mm.

8–12 × 5–8 mm.