| Ipomoea flavida L.O. Williams, 1970 |
| Ipomoea funis Schltdl. & Cham., 1830 |
| Ipomoea funis var. funis Schltdl. & Cham., 1830 |
| Ipomoea funis var. langlassei (House) O'Donell, 1959 |
| Ipomoea gesnerioides J.A. McDonald, 1992 |
| Ipomoea glabriuscula House, 1907 |
| Ipomoea gloverae J.A. McDonald, 1993 |
| Ipomoea gracilis R. Br., 1810 |
| Ipomoea halierca I.M. Johnst., 1931 |
| Ipomoea hartwegii Benth., 1839 |
| Ipomoea hastigera Kunth, 1819 |
| Ipomoea hastigera var. jaliscana (House) O'Donell, 1959 |
| Ipomoea hederacea Jacq., 1787 |
| Ipomoea hederifolia L., 1759 |
| Ipomoea heptaphylla Voigt, 1845 |
| Ipomoea heterodoxa Standl. & Steyerm., 1944 |
| Ipomoea hintonii L.O. Williams, 1970 |
| Ipomoea hirsutula J. Jacq., 1813 |
| Ipomoea hirta M. Martens & Galeotti, 1845 |
| Ipomoea ignava House, 1908 |