Flora of North America species comparison

ascending to erect, 30–120 cm, glaucous.

ascending to erect, 25–85 cm, glabrate or puberulent, not glaucous.

glabrous, glaucous;

cauline 5–11 pairs, short-petiolate or sessile, 40–100 × 10–40 mm, blade ovate to lanceolate, base tapered to auriculate-clasping, margins entire, apex rounded to acute.

basal and cauline, basal often withering by anthesis, not leathery, glabrous or ± puberulent along major veins;

basal and proximal cauline 65–160 × 8–48 mm, blade oblanceolate to elliptic, base tapered, margins serrate, sometime subentire, apex obtuse to acute;

cauline (3–)7 or 8 pairs, sessile, 45–140 × 6–37 mm, blade lanceolate, proximals sometimes oblanceolate, base truncate to clasping, margins sharply serrate, sometimes ± serrate, apex acute to acuminate.

interrupted, secund to ± cylindric, 15–60(–100) cm, axis glabrous or obscurely scabrous, verticillasters 8–18(–22), cymes 1–5(–11)-flowered;

proximal bracts ovate to lanceolate, (3–)7–25(–87) × (1–)3–14(–30) mm;

peduncles and pedicels erect, glabrous or obscurely scabrous.

interrupted, conic, 6–20 cm, axis glabrous or retrorsely hairy, rarely ± glandular-pubescent distally, verticillasters 3–8, cymes (3–)5–15-flowered, 2 per node;

proximal bracts lanceolate, 22–100 × 6–30 mm, margins serrate;

peduncles and pedicels ascending, retrorsely hairy or ± glandular-pubescent distally.

calyx lobes ovate to lanceolate, 3–6 × 2–3 mm, margins erose, glabrous;

corolla scarlet, without nectar guides, nearly radially symmetric, weakly bilabiate, salverform, 25–33 mm, glabrous externally, glabrous internally, tube 8–10 mm, throat slightly inflated, 4.5–6 mm diam., rounded abaxially;

stamens: longer pair reaching orifice, pollen sacs explanate, 0.9–1.2 mm, sutures smooth;

staminode 13–14 mm, terete to slightly flattened distally, 0.1–0.3 mm diam., tip straight, glabrous;

style 18–27 mm, exserted.

calyx lobes ovate to lanceolate, 3.1–6 × 1–2.2 mm, glabrous or sparsely glandular-pubescent;

corolla lavender to violet, with sometimes faint reddish purple nectar guides, funnelform, 10–14 mm, sparsely glandular-pubescent externally, moderately to densely white-villous internally abaxially, tube 4–6 mm, throat moderately inflated, 4–6 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, navicular, 0.8–1 mm, dehiscing completely, connective splitting, sides glabrous, sutures smooth or ± papillate;

staminode 8–9 mm, exserted, 0.3–0.4 mm diam., tip straight, distal 4–5 mm moderately to densely pubescent, hairs orangish, to 1 mm;

style 8–10 mm.

8–11 × 6–7 mm.

4–5 × 3–4 mm, glabrous.

= 16.