Flora of North America species comparison

prostrate, often rooting adventitiously at nodes, to 2 m, villous-hirsute to hispid-hirsute with deflexed hairs, glabrescent and muriculate on angles in age;

tendrils mostly 3(–5)-branched 1–1.5 cm above base, retrorsely hispid, gland-tipped.

usually sprawling, sometimes climbing, often rooting adventitiously at nodes, to 10 m, sparsely hirsute-strigillose with deflexed hairs to hispid-strigose or hirsute-strigose, muriculate or glabrous on ribs;

tendrils 2–5-branched 1–1.5 cm above base, glabrous, often gland-tipped.

petiole (2–)3–7 cm, densely hispid-hirsute with short, deflexed hairs mixed with pustulate hairs;

blade suborbiculate to depressed-ovate, palmately 5-lobed, sinuses 1/2–2/3 to petiole, 3–7 × 4–10 cm, usually broader than long or equally so, base cordate, lobes lanceolate-acuminate to triangular or triangular-lanceolate, sometimes irregularly sublobed, margins remotely crenate to remotely serrate-crenate, surfaces appressed-hispid abaxially and muriculate, hirsute-strigillose to hispid-strigose adaxially, midvein and major veins whitish adaxially from densely hispidulous-strigillose with white hairs, eglandular.

petiole 3–4(–8) cm, hispid or hispid and hirsute, often with deflexed hairs;

blade depressed-ovate to reniform, palmately 5-lobed, sinuses nearly or completely to petiole, 4–11 × 8–15 cm, usually broader than long, base cordate, lobes narrowly lanceolate to narrowly oblanceolate or oblong-lanceolate, 2–12 cm, margins coarsely toothed or remotely sinuate-dentate to serrate, surfaces hispid to hispidulous, midvein and major veins whitish adaxially, densely hispidulous-strigillose with white hairs, eglandular.

in fruit shallowly 5-ribbed, not abruptly expanded at point of fruit attachment, 3–8 cm, spongy.

in fruit shallowly 5-ribbed, not abruptly expanded at point of fruit attachment, spongy.

hypanthium cupulate to campanulate, 2–7(–20) mm;

sepals linear-subulate, 2–10 mm;

corolla golden yellow to yellow, tubular-campanulate, 2.5–5 cm;

anther filaments glabrous;

ovary densely pubescent.

hypanthium cylindric to narrowly campanulate, 2.5–3 mm;

sepals linear-subulate, 3–5 mm;

corolla bright yellow, narrowly campanulate, 4–7 cm;

anther filaments glabrous;

ovary villous-hirsute.

dull white, ovate to oblong, 9–14 mm, margins thickened-raised, surfaces smooth or slightly rough.

dull white, ovate, obtusely pointed, 8–11 mm, margins thickened-raised, surfaces smooth.

dull green, narrowly 10-striped and white-mottled, ellipsoid-globose to globose or depressed-globose, 7–10 cm, smooth.

dark green with 10 whitish stripes and white mottling or yellow at maturity, globose to depressed-globose or oblong-globose, (6–)7–9.5 cm, smooth, rind thin, hard-shelled.

= 40.

= 40.