Flora of North America species comparison

ascending to erect, 30–120 cm, glaucous.

ascending to erect, (9–)15–35 cm, glabrous or slightly retrorsely hairy proximally, glandular-pubescent distally.

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, not leathery, glabrous abaxially, retrorsely hairy adaxially, sometimes only along midvein;

basal and proximal cauline petiolate, 32–65(–80) × 1–6(–9) mm, blade lanceolate to linear, base tapered, margins entire or obscurely serrate, apex obtuse to acute;

cauline 3–7 pairs, sessile, 30–45(–70) × 1–5(–8) mm, blade lanceolate to linear, base tapered to slightly clasping, margins entire or obscurely serrate, apex acute.

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, cylindric, (4–)6–15 cm, axis glandular-pubescent, verticillasters 3–6(–9), cymes (1 or)2–5-flowered, 2 per node;

proximal bracts lanceolate to linear, 7–20(–45) × 1–4(–8) mm;

peduncles and pedicels glandular-pubescent.

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 elliptic-lanceolate, 4–6 × 1–1.6 mm, glandular-pubescent;

corolla violet to blue or bluish lavender, with reddish purple nectar guides, weakly bilabiate, funnelform, 10–16 mm, glabrous or sparsely white-villous internally abaxially, tube 5–7 mm, throat gradually inflated, not constricted at orifice, 5–6 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, explanate, 0.7–0.9 mm, dehiscing completely, sutures smooth;

staminode 6–8 mm, included, 0.5–0.9 mm diam., tip straight to recurved, distal 5–7 mm densely pilose, hairs yellow, to 0.8 mm;

style 4–5 mm.

8–11 × 6–7 mm.

7–10 × 3–5 mm.

= 16.