morning glory

any of a genus (Ipomoea) of plants of the morning-glory family; esp., a twining annual vine (I. purpurea), with heart-shaped leaves and trumpet-shaped flowers of lavender, blue, pink, or white

designating a family (Convolvulaceae, order Solanales) of twining dicotyledonous vines and some erect shrubs and trees with flowers having five sepals and a funnel-shaped corolla, including some bindweeds and the jalaps and sweet potatoes