ditrichotomous

from The Collaborative International Dictionary of English v.0.48
Ditrichotomous \Di`tri*chot"o*mous\, a. [Pref. di- +
   trichotomous.]
   1. Divided into twos or threes.
      [1913 Webster]

   2. (Bot.) Dividing into double or treble ramifications; --
      said of a leaf or stem. [R.] --Loudon.
      [1913 Webster]
    

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