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    • Early periderm development in the shoots of Ulmus alata michx. 

      Fowler, Tiffany B. (2007-02-14)
      Periderm is a protective tissue that replaces the epidermis in woody plants and consists of three layers: phellogen, phellem, and phelloderm with cells in discrete radial files. Lenticels and cork wings deviate from this ...