Any of various shrubs or small trees of the genus Corylus, especially the European species C.avellana or the American species C.americana, bearing edible nuts enclosed in a leafy husk.

• 榛木一种榛属灌木或小乔木，尤指欧洲的黄灰榛或美洲的美洲榛，产有包裹在叶状的外壳中的可食用的果实