[医] 桦科

[ noun ]
monoecious trees and shrubs (including the genera Betula and Alnus and Carpinus and Corylus and Ostrya and Ostryopsis)
<noun.plant>

Betulaceae \Betulaceae\ n.
1. a natural family of monoecious trees and shrubs, including
the genera {Betula}; {Alnus}; {Carpinus}; {Corylus};
{Ostrya}; and {Ostryopsis}.

Syn: family {Betulaceae}, birch family.
[WordNet 1.5]