rare. [f. TREEY + -NESS.] The state or quality of being treey.
1904. Academy, 27 Feb., 228/2. The suggestion of the leafage would give a sense of roundness and what one may call tree-iness!
1921. C. Lewis Hind, Art & I, 274. Bluemner in this idiotic picture has painted the treeiness of a tree and the houseiness of a house.