| Ipomoea L. [1022] | |
| Mém. Soc. Phys. Genève, vol. 6 : t. 1, fig. 5 (1833) [J.C. Heyland] [41] | |
| drawing: J.C. Heyland [839] | |
| Illustration contributed by: | Natural History Museum, London, U.K. |