Flora of North America species comparison

glabrous.

sparsely hairy or glabrous.

twining-climbing.

trailing to 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 oblong-hastate to narrowly triangular, to 60+ mm, margins ± parallel at mid blade, base lobed, lobes abruptly spreading, ± triangular, apex acute to obtuse.

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

immediately subtending sepals, lance-ovate, 15–21(–24) × 8–14 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 8–12+ mm;

corolla usually pink, sometimes red or white, 40–67 mm, horticultural doubles, limb multilobed;

margins entire;

stamens and ovaries absent.

= 22.