Flora of North America species comparison

erect, 30–120 mm, minutely glandular-puberulent.

erect, 80–330 mm, glabrous.

basal and cauline, relatively even-sized;

petiole absent;

blade narrowly elliptic to oblanceolate, ovate, obovate, or elliptic-lanceolate, (1–)3–30(–50) × (0.4–)0.7–8(–20) mm, margins entire, plane, apex rounded or obtuse, surfaces minutely 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 mm in fruit.

3–10 mm in fruit.

2 per node, or 1 or 2 per node on 1 plant, chasmogamous.

2 per node, chasmogamous.

glandular-puberulent or glandular-pubescent.

minutely glandular.

magenta to purplish, dark line often extending onto each abaxial lip lobe from throat, palate ridges yellow with red-purple speckling and border, throat floor villous with hairs extending onto abaxial lip, tube 1.1–1.9 mm diam. at filament insertion, tube-throat 11–15 mm, limb 8–14 mm diam., usually, rarely not, bilabiate.

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.

symmetrically attached to pedicels, not inflated in fruit, 6–9 mm, minutely glandular-puberulent, lobes subequal, apex acute-apiculate, acuminate, or attenuate, ribs dark green or reddish, intercostal areas whitish.

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

8–12 mm.

20–36 mm.

included or exserted, ciliate.

exserted (at throat), glabrous.

exserted, lobes equal.

exserted, lobes equal.

= 16.

= 20.