Flora of North America species comparison

erect, (10–)30–200(–300) mm, densely glandular-puberulent.

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

basal and cauline, gradually reduced distally;

petiole absent, bases of larger leaves often with petiole-like extensions;

blade obovate or oblanceolate, sometimes elliptic, (4.5–)7–25(–32) × 2–12(–15) mm, margins entire, plane, apex rounded to acute, surfaces densely 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.

1–4(–5) mm in fruit.

6–15 mm in fruit.

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

2 per node, chasmogamous.

densely glandular-puberulent distally.

minutely glandular.

magenta, darker and more reddish in throat and, often, along narrow radiating lines extending from throat onto midveins of lobes, throat usually with a large dark spot on each side of mouth on lateral walls, palate ridges and throat floor yellow with reddish spots, tube-throat 9–15 mm, limb 10–15 mm diam., not bilabiate.

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.

symmetrically attached to pedicels, not inflated in fruit, (6–)7–11 mm, glandular-puberulent, lobes unequal, apex acute to acuminate, ribs inconspicuous, intercostal areas reddish.

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

7–12 mm.

14–21 mm.

included, glabrous.

exserted, glabrous.

exserted or at opening of corolla tube-throat, lobes equal.

exserted, lobes equal.

= 16.

= 20.