Flora of North America species comparison

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

ascending to erect, 15–45 cm, retrorsely hairy, hairs pointed, 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.

cauline, opposite or subalternate, retrorsely hairy, hairs pointed, not glaucous;

cauline 4–8 pairs, short-petiolate or sessile, 16–70 × 1–8(–14) mm, blade lanceolate to linear, base tapered, margins entire, 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, 4–15 cm, axis puberulent or retrorsely hairy, verticillasters 3–10, cymes 1–5(–7)-flowered, 2 per node;

proximal bracts lanceolate to linear, 7–50 × 1–6 mm;

peduncles and pedicels ascending to erect, puberulent or 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, 3–5.5 × 1.4–2.3 mm, glabrous or sparsely puberulent;

corolla blue to violet or purple, without nectar guides, ampliate, 16–21 mm, glabrous externally, glabrous internally, tube 4–5 mm, throat gradually inflated, 5–6 mm diam., slightly 2-ridged abaxially;

stamens included, filaments glabrous, pollen sacs parallel, 1–1.5(–1.8) mm, distal 1/2–2/3 indehiscent, sides hispidulous, hairs white, to 0.1 mm near filament attachment, sutures denticulate, teeth to 0.1 mm;

staminode 10–12 mm, reaching orifice or barely exserted, 0.5–0.7 mm diam., glabrous;

style 11–13 mm.

10–14 × 6–8 mm.

6–7 × 4.5–6 mm.

= 16.