Betula
Nota de aplicación
Genus of hardy, deciduous trees of the family Betulaceae, common to North America, Europe and Asia. Birch tress are readily distinguished by their white bark and diamond-shaped leaves. The lightweight bark contains natural waxes, oils, and tannins that make it tough, durable, and waterproof. Thin sheets of bark were commonly used for paper in Central Asia and the Far East. The water-impervious bark was used for wigwams, canoes, and shoes for Nati…