Flora of North America species comparison

erect or ascending, 10–140(–170) mm, densely glandular-puberulent.

erect to ascending-erect, 300–1200 mm, glabrous.

basal densely clustered;

petiole absent;

blade narrowly elliptic to oblanceolate, (5–)8–45(–60) × (1–)3–12(–20) mm, margins entire, sometimes toothed, plane, not ciliate, apex obtuse, surfaces glandular-puberulent.

cauline, relatively even-sized;

petiole absent;

blade elliptic to broadly elliptic-oblanceolate or elliptic-lanceolate, 15–60 × 4–21 mm, margins entire or serrate, plane or revolute, apex acute to obtuse or rounded, surfaces glabrous.

1–3(–5) mm in fruit.

6–15 mm in fruit.

1 per node, chasmogamous.

2 per node, chasmogamous.

usually glandular-puberulent.

minutely glandular.

tricolored, limb and throat magenta to purple, each lobe with a discrete, dark maroon-purple blotch at base, all 3 blotches of abaxial lip round and not usually extending into throat, palate ridges yellow, flanked with white, sometimes purple-spotted, tube-throat (13–)15–50 mm, limb 7–21 mm diam., bilabiate, lobes equal.

deep red to scarlet, throat sometimes orange, not spotted or striped, palate ridges red to orange-red, tube-throat 27–33 mm, limb 12–16 mm diam., bilabiate, lobes oblong, each truncate-entire to slightly emarginate.

slightly asymmetrically attached to pedicel, not inflated in fruit, (6–)11–23 mm, densely glandular-puberulent, lobes subequal, apex obtuse, ribs often purplish proximally, intercostal areas whitish.

not inflated in fruit, 18–25 mm, glabrous, tube slightly dilated distally, lobes unequal, apex acute, ribs green, intercostal areas light green.

(2–)3–8(–10) mm, indehiscent.

14–21 mm.

included, with apical tufts of short, eglandular hairs.

exserted, glabrous.

nearly exserted, lobes subequal.

exserted, lobes equal.

= 18.

= 20.