11. The larvae feed on " Ipomoea batatas " and other Convolvulaceae species. 12. "Ipomoea batatas " is native to the tropical regions in the Americas. 13. The species shares some features with the close relative " Ipomoea purpurea ". 14. Morning glory ( Ipomoea spp .) 15. The genus Ipomoea also contains the sweet potato ( " Ipomoea batatas " ). 16. The genus Ipomoea also contains the sweet potato ( " Ipomoea batatas " ). 17. The owner told us it was cypress vine, and that the Latin name was Ipomoea quamoclit. 18. In fact, botanically speaking, all the conventional supermarket varieties are sweet potatoes ( ipomoea batata ). 19. Humans use " Ipomoea " for their content of medical and psychoactive compounds, mainly alkaloids. 20. Whether " Ipomoea " species are a useful source of these compounds remains to be determined.