Flora of North America species comparison

usually decumbent to procumbent, sometimes ascending, erect, or trailing, seldom twining-climbing, glabrous or hairy, hairs not branched, glandular, or stellate.

decumbent or trailing, to 10+ dm, glabrous or glabrate.

usually petiolate, rarely sessile;

blade deltate-ovate, oblong, oblanceolate, oblong-elliptic, elliptic, linear, ovate, ovate-lanceolate, ovate-deltate, triangular-lanceolate, or deltate, 10–100 mm, surfaces glabrous or hairy.

blades elliptic, oblong-elliptic, ovate, ovate-deltate, or ovate-lanceolate, 10–100 × 3–60 mm, length 1.6–3.3 times width, surfaces glabrous or abaxial puberulent.

flowers 2–5+ per peduncle [heads] or solitary;

pedicels 10–30 mm;

bracts scalelike, lanceolate, lance-linear, elliptic, linear, obovate, ovate, spatulate, or subulate.

flowers solitary or in 2–3-flowered cymes;

bracts elliptic, linear, or obovate, 2–3(–9) mm.

sepals elliptic, oblong, oblong-ovate, obovate, ovate, or suborbiculate, 3–12 mm;

corolla usually pink or white, sometimes tinged or striped with blue or pink, center sometimes purplish to reddish, campanulate to ± rotate, (4–)12–30 mm, limb 5-angled to 5-lobed;

ovary 2-locular;

style 1;

stigmas or stigma lobes 2, cylindric, linear, or spatulate, apices acute.

sepals: outer elliptic, 3–4.5 mm, inner suborbiculate to obovate, 3.5–5 mm;

corolla white, sometimes pink-tinged, campanulate, 12–25(–30) mm, limb 5-angled.

capsular, ± globose, ovoid, or conic-ovoid, dehiscence valvate.

1–4, trigonous or rounded, glabrous, surfaces granulate, papillulate, smooth, or tuberculate.

tuberculate.

= 12.

= 48, 50.