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a genus of trees of the family Betulaceae (such as birches)

a genus of trees of the family Betulaceae (such as birches)

A plant genus of the family BETULACEAE. The tree has smooth, resinous, varicolored or white bark, marked by horizontal pores (lenticels), which usually peels horizontally in thin sheets.

A genus of trees or shrubs of the order Betulaceae, birch, yielding an oil containing methyl salicylate, and employed internally and externally to meet the same indications as oil of wintergreen; see oleum betulae.

The genus which contains the birch trees.

The birch.