榛子,桦木科、榛属。有榛、毛榛、虎榛子等种。是落叶灌木,高达二米。树皮灰褐色,幼树密生褐色茸毛。单叶互生,有长柄,叶片阔卵形或椭圆形,先端近截形而有锐尖头,基部心形或圆形,边缘具重锯齿。雌雄同株。果为坚果,1—4个生于枝顶,近球形。果期9—10月。生长于灌木丛林或柞林被破坏后的干燥山坡上。适于干燥地或湿润的 Hazelnut, Birch Branch, Hazel. Hazel, hazelnut, hazelnut and other species. Is deciduous shrubs, up to two meters. Bark gray-tipped, young dense brown hair. Single leaf alternate, long-handled, leaf blade broadly oval or oval, apex nearly truncate and sharp tip, the base of the heart-shaped or circular, margin with heavy serrated. Monoecious Fruit nuts, 1 to 4 branches, nearly spherical. Fruit period from September to October. Growing in the shrubbery or oak forest was destroyed after the dry slopes. Suitable for dry or moist