Betulaceae
Synonyms
Carpinus
Hop Hornbeam
Hop Hornbeams
Hornbeam
Hornbeam, Hop
Hornbeams
Hornbeams, Hop
Ostrya
Ostryas
Ostryopses
Ostryopsis
A plant family of the order Fagales, subclass Hamamelidae, class Magnoliopsida. They have simple, serrate, alternate leaves. Male flowers are borne in long, pendulous catkins; the female in shorter, pendulous or erect catkins. The fruit is usually a small nut or a short-winged samara.