betulaceous
/ˌbɛtjʊˈleɪʃəs/
adjective
- Relating to or characteristic of the birch tree family (Betulaceae), which includes birches, alders, hazels, and hornbeams.
- Botany students studied the catkins of various betulaceous species.
- The betulaceous trees in the park turn a brilliant gold in autumn.
- The forest floor was covered with leaves from betulaceous trees like birch and alder.