1. 
[syn: arboreal, arboreous, arborescent, arboresque, arboriform, dendriform, dendroid, dendroidal, treelike, tree-shaped]
The Collaborative International Dictionary of English v.0.48:
Dendriform \Den"dri*form\, a. [Gr. de`ndron tree + -form.]
   Resembling in structure a tree or shrub; having a branching
   shape.
   Syn: arboreal, arboreous, arborescent, arboresque,
        arboriform, dendroid, dendroidal, treelike, tree-shaped.
        [1913 Webster +PJC]
WordNet (r) 3.0 (2006):
dendriform
    adj 1: resembling a tree in form and branching structure;
           "arborescent coral found off the coast of Bermuda";
           "dendriform sponges" [syn: arboreal, arboreous,
           arborescent, arboresque, arboriform, dendriform,
           dendroid, dendroidal, treelike, tree-shaped]