any of various mainly tropical convolvulaceous plants of the genus Ipomoea and related genera, with trumpet-shaped blue, pink, or white flowers, which close in late afternoon
morning glory in American English
US
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
morning-glory in American English
(ˈmɔrnɪŋˌglɔri)
US
adjective
designating a family (Convolvulaceae, order Solanales) of twining dicotyledonous vines and someerect shrubs and trees with flowers having five sepals and a funnel-shaped corolla, including some bindweeds and the jalaps and sweet potatoes