epiphytical

from The Collaborative International Dictionary of English v.0.48

Epiphytic \Ep`i*phyt"ic\, Epiphytical \Ep`i*phyt"ic*al\, a.
   (Bot.)
   Pertaining to, or having the nature of, an epiphyte. --
   {Ep`i*phyt"ic*al*ly}, adv.
   [1913 Webster]