Flora of North America species comparison

erect, sometimes ascending, 30–100 cm, glabrous or puberulent proximally, usually slightly glaucous.

erect, (15–)20–55(–60) cm, glabrous.

glabrous or sparsely to densely puberulent, not glaucous;

basal and proximal cauline 30–80(–140) × (6–)12–30(–35) mm, blade oblanceolate, base tapered, margins entire, apex obtuse, acute, or acuminate;

cauline 3–7(–14) pairs, sessile, 28–142 × 1–8(–15) mm, blade lanceolate to linear, base tapered, apex acuminate, sometimes acute.

basal and cauline, glabrous;

basal and proximal cauline 20–100 × 4–24 mm, blade spatulate to oblanceolate, base tapered, apex rounded to obtuse or acute, sometimes mucronate;

cauline 2–5 pairs, sessile, (14–)23–95 × (4–)6–31 mm, blade lanceolate or ovate to trullate, base clasping to cordate-clasping, apex obtuse to acute.

± secund, sometimes cylindric, 11–69 cm, axis glabrous, verticillasters 6–14(–19), cymes (1 or)2–4-flowered;

proximal bracts linear, 15–70(–126) × 1–10 mm;

peduncles and pedicels spreading to ascending, glabrous.

interrupted, cylindric, (5–)11–38 cm, axis glabrous, verticillasters (3 or)4–12, cymes 2- or 3(–5)-flowered;

proximal bracts trullate to ovate, 11–70 × 7–38 mm;

peduncles and pedicels glabrous.

calyx lobes ovate to lanceolate, (3–)4–6(–9) × 1.9–2.8(–3.2) mm, margins entire or erose, glabrous or obscurely glandular-pubescent;

corolla red or orangish red to crimson or scarlet, with reddish violet nectar guides, bilaterally symmetric, strongly bilabiate, tubular-funnelform, 26–32(–36) mm, glabrous or sparsely white-lanate or yellow-lanate internally abaxially, tube 5–8 mm, throat 5–6 mm diam., not constricted at orifice, slightly 2-ridged abaxially, abaxial lobes strongly reflexed, adaxial lobes projecting;

stamens exserted (but usually concealed beneath projecting adaxial lip), pollen sacs opposite, proximal 1/4–1/3 indehiscent, 1.5–2(–2.2) mm, sides glabrous or sparsely to moderately lanate-villous, hairs white, to 1.5 mm, sutures papillate or denticulate, teeth to 0.1 mm;

staminode 15–17 mm, included, tip straight, glabrous;

style 22–27 mm.

calyx lobes ovate, 4.5–7 × 1.5–3.5 mm, margins entire or erose, broadly scarious, glabrous or obscurely glandular along margins distally;

corolla lavender to violet or bluish, with violet or reddish purple nectar guides, tubular-salverform, 14–23(–28) mm, glabrous externally or glandular, glabrous or sparsely white-villous internally abaxially, tube 7–9 mm, throat slightly inflated, 4–6 mm diam., rounded abaxially;

stamens included, pollen sacs opposite, 1–1.3 mm, sutures papillate;

staminode 8–11 mm, reaching orifice, 0.8–1.6 mm diam., tip recurved, distal 1–3 mm villous, hairs golden yellow, to 1.5 mm;

style 11–15 mm.

10–14 × 6–8 mm.

10–15 × 8–10 mm.

= 16.