Beaumontia is a small genus of evergreen woody vines in the Apocynaceae. It is native to China, the Indian Subcontinent, and Southeast Asia.
Beaumontia plants are often rampant climbers and vines. They are mostly evergreen, though in subtropical gardens Beaumontia grandiflora loses many leaves in winter. Leaves are large, smooth and opposite with sticky white sap.
The large white fragrant flowers are borne in corymbs terminal and in the leaf axils. The calyx is 5-lobed and the corolla is dark funnel-or ...