arboreous

adjective4

1. •
   Having the characteristics of a tree. (of a plant)

   • dense forests of eucalyptus and acacia and giant arboreous ferns with feathered fronds waving gently a hundred feet above their heads — 1918
2. •
   Covered or filled with trees.

   • But among Authours, we meet with nothing more frequent, and indeed more celebrated, than those Arboreous amenities and Plantations of Woods, which they call’d Luci — 1670
3. •
   (no longer used) Having a tree-like, branching structure.

   • The arboreous ramification of the Meditallium of the Cerebellum appearing, being cut right downwards. — 1695
4. •
   (no longer used) Growing on trees.

   • And those fruites whiche Galene calleth arboreous, are those growing vppon trees. — 1575