Life … Plants Vascular Plants Dicots Nightshades, Bindweeds, Gooseweeds, and Allies Morning-glory Family Intermediate Morning-glories Large Bindweed Twin-flowered False Bindweed subspecies Twin-flowered False Bindweed Calystegia silvatica fraterniflora Key traits Layer Vines Plant type Perennial Vine Wildflower From USDA PLANTS. Close