cladophyll

from WordNet (r) 3.0 (2006)

cladophyll
    n 1: a flattened stem resembling and functioning as a leaf [syn:
         {cladode}, {cladophyll}, {phylloclad}, {phylloclade}]

from The Collaborative International Dictionary of English v.0.48

Cladophyll \Clad"o*phyll\, n. [Gr. ? a sprout + ? a leaf.]
   (Bot.)
   A special branch, resembling a leaf, as in the apparent
   foliage of the broom ({Ruscus}) and of the common cultivated
   smilax ({Myrsiphillum}).
   [1913 Webster]