In both evergreen and deciduous trees old leaves are continually shed throughout the growing season, but the remaining leaves are also shed at the onset of winter or a dry season in deciduous species.
In both evergreen and deciduous trees old leaves are continually shed throughout the growing season, but the remaining leaves are also shed at the onset of winter or a dry season in deciduous species.
在植物整个生长季内，常绿植物和落叶树的老叶不断脱落，落叶植物残留的叶在冬季或干季也会脱落。