榛又叫榛子、平榛,桦木科榛属,性喜光,耐寒,能抗-40℃以下的严寒,耐旱,喜肥沃之酸性土壤,在钙质土、轻度盐碱土及干燥贫瘠之地也可生长,耐火烧,萌芽力强。为浅根系树种,无主根,侧根发达,须根细长而密,根系分布在5～40cm深的土壤中,最深可达60～80cm。根系易生不定芽,形成根蘖多丛状。花期4～5月,果熟期9～10月。中国北部山区阳坡及林缘多有分布,是北方山区绿 Hazel, also known as hazelnut, hazel, birch family Hazel, sexual hi light, cold, resistant to -40 below the cold, drought, hi fertile acid soil, calcareous soil, mild saline soil and dry barren land Can also grow, fire-resistant, strong sprout. For the shallow root tree species, no main roots, lateral roots developed, fibrous slender and slender roots distributed in 5 ~ 40cm deep soil, the deepest up to 60 ~ 80cm. Adventitious buds tendon roots, the formation of more than plexiform plexiform. Flowering from April to May, fruit ripening period from September to October. In the northern mountainous areas of China, there are many sunny slopes and forest margins, which are green in northern mountainous areas