betulaceous

betulaceous

(ˌbɛtjʊˈleɪʃəs) adj (Plants) of, relating to, or belonging to the Betulaceae, a family of mostly N temperate catkin-bearing trees and shrubs such as birch and alder, some species of which reach the northern limits of tree growth[C19: from Latin betula birch]
Thesaurus
Adj.1.betulaceous - of or pertaining to or characteristic of trees of the birch familybetulaceous - of or pertaining to or characteristic of trees of the birch family