Ipomoea cordatotriloba is a species of morning glory native to the southeastern United States, Mexico, and South America. Its common names include tievine and cotton morning glory.There are three varieties:
I. cordatotriloba var. australis
I. cordatotriloba var. cordatotriloba – sharppod morning glory
I. cordatotriloba var. torreyana – Torrey's tievine