WordNet
birch family
n. monoecious trees and shrubs (including the genera Betula and Alnus and Carpinus and Corylus and Ostrya and Ostryopsis) [syn: Betulaceae, family Betulaceae]
Usage examples of "birch family".
It's not generally known, but we also borrowed quite a number of other useful traits from the birch family including the ability to enrich the soil with calcium, potassium, magnesium, and phosphorus.