cypress-vinen. a name of several American species of Ipomæa, convolvulaceous climbing plants.
ΚΠ
1857 A. GrayFirst Less. Bot. (1866) 101 The corolla of the Phlox..and of the Cypress-Vine are of this sort.
1869 Ann. Rep. Commissioner Agric. 1868 205 in U.S. Congress. Serial Set (40th Congr., 3rd Sess.: House of Representatives Executive Doc.) XVCypress vine, (Quamoclit vulgaris).