Schefflera actinophylla scheff·le·raac·tinophylla uncommon noun 1. erect evergreen shrub or small tree of Australia and northern Guinea having palmately compound leaves Synonymsumbrella treeSchefflera actinophyllaBrassaia actinophylla Related words Broader terms shrub Parts Schefflera WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.