“Exceptional trees,” for the purposes of this article, means a tree or grove of trees with historic or cultural value, or which by reason of its age, rarity, location, size, esthetic quality, or endemic status has been designated by the council as worthy of preservation.
(Sec. 13-36.2, R.O. 1978 (1983 Ed.)) (1990 Code, Ch. 41, Art. 13, § 41-13.2)