Flora of North America species comparison

usually puberulent or pubescent, sometimes glabrescent, rarely tomentellous or ± villous.

decumbent, procumbent, or twining-climbing, to 400 cm.

usually twining-climbing, sometimes ascending, decumbent, erect, procumbent, prostrate, or trailing, rarely almost absent, usually hairy, hairs not branched, glandular, or stellate, sometimes glabrate, glabrescent, or glabrous.

blade ± triangular, 15–40 mm, base usually lobed, lobes rounded or 1–2-pointed, basal sinus quadrate, rounded and ± parallel-sided, or V-shaped, base sometimes ± cuneate.

petiolate;

blade usually cordate, elliptic, linear, oblong, oblong-hastate, orbiculate, oval, ovate, reniform, triangular, or triangular-hastate, rarely palmately 7–9-lobed, (15–)20–130 mm, base usually lobed or truncate, sometimes cuneate, surfaces glabrate, glabrescent, glabrous, ± pilose, tomentose, tomentulose, or villous.

(1–)3–12(–15) mm distant from sepals, lanceolate, linear, linear-oblong, oblanceolate, or narrowly to broadly triangular, 4–22(–30) × 1–4(–7) mm, margins entire or proximally lobed or toothed.

usually axillary, rarely terminal, compound cymes, bracteate;

peduncles 1(–4)-flowered.

sepals 9–15 mm;

corolla white or cream, (20–)25–48 mm.

sepals ± elliptic, lanceolate, lance-ovate, oblong, oblong-ovate, oval, or ovate, (5–)8–15(–25) mm;

corolla usually white, sometimes cream, pink, purple, red, or yellow, campanulate to funnelform, (20–)25–60(–73)[–88] mm, limb entire or 5-lobed or -angled, rarely multilobed;

ovary 1-locular, sometimes with partial septum;

styles 1;

stigma lobes 2, linear to oblong, apices blunt.

capsular, ± globose, dehiscence irregular.

(1–)2–4, pyramidal to subglobose or trigonous, glabrous, papillate, smooth, or reticulate.

= 12.