Flora of North America species comparison

often reddish, at least at nodes, short glandular-pubescent, viscid.

often reddish, at least at nodes, short glandular-pubescent, viscid.

petiole 1–8.5 cm;

blade oblong-lanceolate to ovate, 2.5–9.5 × 1–4.5 cm, margins entire, often undulate, often scabro-ciliate;

surfaces glabrous or glandular-puberulent, adaxial surface usually glaucous.

petiole 1–6.5 cm;

blade ovate to elliptic-oblong, 1.5–8 × 0.5–5 cm, margins entire, often undulate, often scabro-ciliate;

surfaces glabrous or glandular-puberulent, somewhat ± glaucous abaxially.

10–25-flowered;

bracts lanceolate to ovate, 7–19 × 2–6 mm, papery, margins glandular short ciliate, base attenuate, glabrous or glabrate.

10–25-flowered;

bracts linear-lanceolate to ovate, 5–14 × 1.5–5 mm, papery, base often ± attenuate, margins glandular short ciliate, glabrous, or glabrate.

tube pink to magenta, 12–30 mm, limb pale pink to magenta, 8–13 mm diam., lobes showy, over 1.5 mm.

tube pink to pinkish red, 12–25 mm, limb white adaxially, often pinkish abaxially, 8–11 mm diam., lobes showy, over 1.5 mm.

oval in profile, 18–30 × 11–25 mm, walls indurate;

lateral ribs 1–3, or absent, if extending into wings, only slightly raised;

wings (2–)3(–4).

oval in profile, 13–20(–25) × 9.5–17.5 mm, walls indurate;

lateral ribs 1–3, or ribs absent, if exending into wings, only slightly raised;

wings (2–)3(–4).