Flora of North America species comparison

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

erect, 80–330 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 or short;

blade narrowly ovate to elliptic-lanceolate, elliptic, or oblanceolate, 20–50 × 3–15 mm, margins dentate to serrate, plane or revolute, apex obtuse to acute, surfaces glabrous.

1–3(–5) mm in fruit.

3–10 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.

pale yellow to cream or nearly white, pale orange, golden yellow, or orange-yellow, not spotted or striped, palate ridges golden yellow, throat internally glabrous, tube-throat 37–52 mm, limb 15–22 mm diam., not bilabiate, lobes entire.

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.

inflated in fruit, 35–40 mm, glabrous, tube distinctly dilated distally, lobes subequal, apex acute, ribs green, intercostal areas light green.

(2–)3–8(–10) mm, indehiscent.

20–36 mm.

included, with apical tufts of short, eglandular hairs.

exserted (at throat), glabrous.

nearly exserted, lobes subequal.

exserted, lobes equal.

= 18.

= 20.