leafless plants

from The Collaborative International Dictionary of English v.0.48

Leafless \Leaf"less\, a.
   Having no leaves or foliage; bearing no foliage. "Leafless
   groves." --Cowper. -- {Leaf"less*ness}, n.
   [1913 Webster]

   {Leafless plants}, plants having no foliage, though leaves
      may be present in the form of scales and bracts. See
      {Leaf}, n., 1 and 2.
      [1913 Webster]