Ornamental sweet potato roots - edible but may not be palatable/Alternatives to Burning Bush for fall color - Indiana Yard and Garden - Purdue Consumer HorticulturePurdue University Indiana Yard and Garden –
Are Ornamental Sweet Potatoes Edible? | Gardener's Path
Ornamental Sweet Potato | UMass Amherst Greenhouse Crops and Floriculture Program
Can You Eat Ornamental Sweet Potato Vines? Here's What to Know
August 2016 Plant of the Month: Sweet Potato Vine | UT Gardens - The State Botanical Garden of Tennessee