Dipladenia dip·la·de·nia uncommon noun 1. genus of tropical South American tuberous perennial woody vines with large racemose flowers and milky sap SynonymsMandevillagenus Mandevillagenus Dipladenia Related words Word family Dipladenia boliviensis Broader terms dicot genus Parts Apocynaceae Part of white dipladeniaChilean jasmine WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.