Flora of North America species comparison

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

ascending to erect, (8–)15–50 cm, retrorsely hairy, 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, basal sometimes absent, not leathery, retrorsely hairy, not glaucous;

basal and proximal cauline 16–60(–80) × 1–3(–4) mm, blade linear, base tapered, margins entire, apex obtuse to acute;

cauline 6–11 pairs, sessile, (2–)10–75 × (0.2–)0.5–3 mm, blade linear, base tapered, apex acuminate.

± 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, secund, (2–)5–25 cm, axis glabrous or puberulent, verticillasters 3–10, cymes 1- or 2-flowered, 1 or 2 per node;

proximal bracts linear, 4–30 × 0.5–2 mm;

peduncles and pedicels glabrous or puberulent.

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, sometimes obovate or truncate, 3–4.5(–5) × 1.5–2.4 mm, glabrous or sparsely puberulent;

corolla bluish violet to violet, lavender, or purple, with reddish purple nectar guides, ventricose, 17–23 mm, glabrous externally, glabrous internally, tube 5–7 mm, throat gradually inflated, slightly constricted at orifice, (5–)7–9 mm diam., rounded abaxially;

stamens: longer pair exserted, pollen sacs opposite, navicular, 1.2–1.5 mm, dehiscing incompletely, connective not splitting, sides glabrous, sutures papillate;

staminode 12–14 mm, exserted, 0.5–0.8 mm diam., tip straight to recurved, glabrous;

style 13–17 mm.

10–14 × 6–8 mm.

7–14 × 4–5 mm.