Flora of North America species comparison

ascending to erect, 30–120 cm, glaucous.

erect, 3–40(–44) cm, 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.

glabrous or obscurely scabrous, especially along margins, glaucous;

basal and proximal cauline (25–)30–60 × 5–10(–14) mm, blade oblanceolate, base tapered, margins entire, apex obtuse to acute, sometimes mucronate;

cauline 2 or 3 pairs, sessile, 15–50(–57) × 2–8(–12) mm, blade lanceolate to linear, base tapered, margins entire, 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 to ± secund, (2–)3–25(–30) cm, axis glabrous, verticillasters 3–10, cymes 1–5-flowered;

proximal bracts lanceolate, 7–30(–50) × 3–12 mm;

peduncles and pedicels ascending to erect, glabrous.

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 obovate, rarely elliptic, (3.5–)4–6 × 1.8–3 mm, margins entire or erose, glabrous;

corolla violet or reddish violet to purple, with reddish or reddish purple nectar guides, bilaterally symmetric, bilabiate, tubular-funnelform, 14–18(–20) mm, glabrous or glandular-pubescent externally, glabrous or glandular-pubescent internally, tube 6–8 mm, throat gradually inflated, 6–7 mm diam., rounded or slightly 2-ridged abaxially;

stamens included, pollen sacs navicular, sometimes explanate, 0.9–1.2 mm, sutures smooth or papillate;

staminode 8–9 mm, flattened distally, 0.5–0.6 mm diam., tip recurved, distal 1–2 mm papillate, papillae golden yellow, to 0.2 mm, rarely glabrous;

style 10–12 mm.

8–11 × 6–7 mm.

8–11 × 4–6 mm.

= 16.