Flora of North America species comparison

decumbent to ascending, much branched, elongate, glabrous or glandular-pubescent.

prostrate, much branched in large plants, forming loose mats, elongate, glandular-pubescent or glabrous.

petiole 1–6 cm;

blade ovate to lance-elliptic, 1–6 × 0.5–4 cm, margins entire to sinuate and ± undulate, surfaces glabrous or glandular-pubescent.

petiole 1–6 cm;

blade ovate, elliptic, or rhombic, 1.5–6.8 × 0.8–4.7 cm, margins entire to ± repand and undulate, surfaces glandular-puberulent to glandular-villous, usually ± glaucous.

peduncle longer than subtending petiole;

bracts lanceolate to obovate, 5–12 × 1–5 mm, papery, glabrate to glandular-pubescent;

flowers 25–60.

peduncle longer than subtending petiole;

bracts lanceolate to ovate, 5–7 × 3–5 mm, papery, glandular-puberulent to viscid-villous;

flowers 8–27.

tube pale rose proximally to greenish distally, 15–25 mm, limb white, 7–12 mm diam.

tube magenta to greenish, 6.5–18 mm, limb magenta, 6–16 mm diam., throat surrounded by white to yellowish white eyespot.

winged, broadly obdeltate or cordate in profile, 6–10 × 4–10 mm, thin, usually coriaceous, rarely indurate, base attenuate, apex prominently beaked;

wings (2–)5 (when 2, folded to form single deep groove), without dilations, broad, thin, without cavities.

± obdeltate in profile, 6–12 × 6–16(–24) mm, indurate, smooth, not rugose veined, apex beaklike;

wings 5, not folded, poorly to very well developed, from slightly shorter than beaklike apex of body to prolonged beyond beak, thin, without cavities.