Flora of North America species comparison

decumbent to ascending, often widely spreading, much branched in large plants, forming large, loose mats, elongate, usually with reddish tinge, glandular-pubescent to long viscid-villous.

prostrate, often buried in sand, usually much branched, forming large mats, succulent, densely glandular-pubescent to glabrous.

petiole 0.5–5 cm;

blade deltate-ovate to ovate or elliptic, 1–5 × 1–4.5 cm, margins entire to sinuate and ± undulate, adaxial surface glabrous or glandular-pubescent, abaxial surface glandular-pubescent.

1–6 cm;

blade deltate-ovate to reniform, 2.2–4.8 × 2.7–5.2 cm, margins usually entire, sometimes slightly repand and undulate, surfaces glabrous or viscid-puberulent.

peduncle longer than subtending petiole;

bracts lanceolate to lance-ovate, 2.5–11 × 1–3 mm, papery, viscid-villous;

flowers 15–35.

peduncle longer than subtending petiole;

bracts ovate, 5–9 × 3–5 mm, thin, yellowish green, glandular-pubescent;

flowers 17–35.

tube pink, 10–35 mm, limb usually magenta, with light eyespot, rarely white, 6–18 mm diam.

tube yellowish green, 6.5–18 mm, limb yellow, 8–13 mm diam., lobes slightly to moderately reflexed.

usually winged, ± obdeltate in profile, 5–10 × 4–15 mm, indurate, ± rugose-veined, sometimes inconspicuously so;

wings 3–5, not folded, without dilations, thin, truncate distally, equaling or extending slightly beyond conic apex of fruit body, interior spongy.

winged, ± rhombic in profile, attenuate at both ends, 8–15 × 6–14 mm, scarious;

wings 4–5, thin walled, small, cavities extending into wing.