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nouna genus of trees of the family Betulaceae (such as birches)
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Definition that contains betula
- birch any betulaceous tree or shrub of the genus Betula having a thin peeling bark
- birch tree any betulaceous tree or shrub of the genus Betula having a thin peeling bark
- subclass hamamelidae a group of chiefly woody plants considered among the most primitive of angiosperms; perianth poorly developed or lacking; flowers often unisexual and often in catkins and often wind pollinated; contains 23 families including the Betulaceae and Fagaceae (includes the Amentiferae); sometimes classified as a superorder
- betula a genus of trees of the family Betulaceae (such as birches)
- family betulaceae monoecious trees and shrubs (including the genera Betula and Alnus and Carpinus and Corylus and Ostrya and Ostryopsis)
- betulaceae monoecious trees and shrubs (including the genera Betula and Alnus and Carpinus and Corylus and Ostrya and Ostryopsis)
- genus betula a genus of trees of the family Betulaceae (such as birches)
- birch family monoecious trees and shrubs (including the genera Betula and Alnus and Carpinus and Corylus and Ostrya and Ostryopsis)
- hamamelidae a group of chiefly woody plants considered among the most primitive of angiosperms; perianth poorly developed or lacking; flowers often unisexual and often in catkins and often wind pollinated; contains 23 families including the Betulaceae and Fagaceae (includes the Amentiferae); sometimes classified as a superorder