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