Flora of North America species comparison

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

decumbent to ascending, 6–20(–25) cm, retrorsely hairy or puberulent, not glaucous.

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, not leathery, retrorsely hairy, not glaucous;

basal and proximal cauline 8–40(–60) × 2–7 mm, blade spatulate to oblanceolate, base tapered, margins entire, apex rounded to obtuse or acute;

cauline 2–4 pairs, sessile, 10–38 × 1–6 mm, blade lanceolate, base tapered, apex 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.

continuous to ± interrupted, secund, (2–)4–9 cm, axis retrorsely hairy proximally, mostly glandular-pubescent distally, verticillasters (3 or)4–8, cymes 1- or 2-flowered, (1 or)2 per node;

proximal bracts linear, 3–26 × 0.5–2.5 mm;

peduncles and pedicels glandular-pubescent, peduncles also usually retrorsely hairy.

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, 3–4(–5) × 2–2.9 mm, glandular-pubescent;

corolla blue to violet or purple, with reddish purple nectar guides, ventricose, 13–20 mm, glandular-pubescent externally, glabrous internally, tube 4.5–6 mm, throat gradually inflated, not constricted at orifice, 4–6(–8) mm diam., slightly 2-ridged abaxially;

stamens included or longer pair reaching orifice, pollen sacs opposite, navicular, 1–1.4 mm, dehiscing incompletely, connective not splitting, sides glabrous, sutures papillate;

staminode 8–10 mm, reaching orifice, 0.5–0.6 mm diam., tip straight, glabrous;

style 11–15 mm.

10–14 × 6–8 mm.

7–8 × 6–7 mm.