Adjectives

(a)arborical, arboreal, arborary, arborousof or relating to or formed by trees“an arborous roof”
(a)arboreal, arboreous, tree-livinginhabiting or frequenting trees“arboreal apes”
(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”