1. monoecious trees and shrubs (including the genera Betula and Alnus and Carpinus and Corylus and Ostrya and Ostryopsis); [syn: Betulaceae, family Betulaceae, birch family]
WordNet (r) 3.0 (2006):
family Betulaceae
n 1: monoecious trees and shrubs (including the genera Betula
and Alnus and Carpinus and Corylus and Ostrya and
Ostryopsis) [syn: Betulaceae, family Betulaceae, birch
family]