Whitestar morning glory

Annuals. Stems usually twining, sometimes trailing. Leaf blades orbiculate, ovate, or 3–5-lobed, 20–80 × 20–70 mm, base cor­date, surfaces glabrous or sparsely hairy. Peduncles gla­brous. Flowers: sepals lanceo­late, (8–)10–14 mm, charta­ceous or coriaceous, apex acu­minate, surfaces glabrous; corolla lavender or white, throat usually darker, funnelform, 6–15(–20) mm, limb to 10+ mm diam. Fruits 7–8 mm diam.

Flowering Aug–Oct. Disturbed sites; 0–700 m; Ariz., Fla., La., Miss., S.C., Tex., Va.; Mexico; West Indies; Central America; South America.

In the southeastern United States, Ipomoea × leucantha results from crosses between I. cordatotriloba and I. lacunosa that may be effected by honeybees (Apis mellifera); elsewhere, I. × leucantha is presumably introduced.