Source : Webster's Revised Unabridged Dictionary (1913)

Conduplicate \Con*du"pli*cate\, a. [L. conduplicatus, p. p. of
   conduplicare. See {Duplicate}.] (Bot.)
   Folded lengthwise along the midrib, the upper face being
   within; -- said of leaves or petals in vernation or
   [ae]stivation.