Flora of North America species comparison

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

prostrate, often buried, often extensively branched, forming large mats, succulent, densely glandular-pubescent.

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 0.5–3 cm;

blade elliptic to oblong or nearly obovate, 5–6.8 × 2.3–4.3 cm, margins usually entire, sometimes ± repand and undulate, surfaces minutely viscid-puberulent.

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 lance-ovate, 7–11 × 3–4 mm, papery, minutely glandular to glandular-pubescent;

flowers 10–18.

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

tube red to reddish green, 6–10 mm, limb deep purplish red, 7–10 mm diam., lobes tightly reflexed.

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.

turbinate, 10–14 × 6–18 mm, thick, indurate, apex irregularly truncate and ± beaked;

wings 3–5, without cavities.