The genus Ipomoea, with over 500 species, is the largest genus in the family Convolvulaceae. The genus occurs throughout the tropical and subtropical regions of the world, and comprises annual and perennialherbaceous plants, lianas, shrubs and small trees; most of the species are twining climbing plants. Many species are known as morning glory, a name shared with some other related genera.

The genus includes important food crops (sweet potato and water spinach) and I. violacea, source of the Mexican psychedelic drug, tlitliltzin. Species and cultivars of Ipomoea grown as morning glory are popular in gardens for their often stunning flowers.

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