Adjectives

(a)arboreal, arboreous, tree-livinginhabiting or frequenting trees“arboreal apes”
(s)arboraceous, arboreous, woodsy, woodyabounding in trees“an arboreous landscape”, “violets in woodsy shady spots”, “a woody area near the highway”
(s)arboreal, arboreous, arborescent, arboresque, arboriform, dendriform, dendroid, dendroidal, treelike, tree-shapedresembling a tree in form and branching structure“arborescent coral found off the coast of Bermuda”, “dendriform sponges”