Flora of North America species comparison

glabrous.

hairy, hairs appressed or spreading, whitish.

twining-climbing.

trailing or twining-climbing, to 100 cm.

blade ± cordate, to 50–120 mm, base rounded or lobed, lobes rounded or 1-pointed, basal sinus ± quadrate to rounded.

blade palmately 7–9-lobed, lobes linear to linear-oblong, to 55 × 6 mm, base ± truncate.

immediately subtending sepals, lanceolate, to 30 × 15–35 mm, proximally saccate, margins strongly enfolding sepals, apex obtuse to truncate.

to 18 mm distant from sepals, margins palmately 3–7(–9)-lobed, lobes to 18 × 3 mm.

sepals oval to ovate, 15–23 mm;

corolla white, sometimes pinkish-striped, rarely otherwise pink-tinged, 43–70[–88] mm;

stamens 23–40 mm;

anthers 4–6.5 mm.

sepals 7–11 mm, basally glabrous or hairy;

corolla cream, yellow, or pink-striped, 30–35 mm.