Webster’s Revised Unabridged Dictionary · 1913
Multiplicate
Mul′ti·pli·cate, a. [L. multiplicatus, p. p. of multiplicare. See Multiply.] Consisting of many, or of more than one; multiple; multifold.
Multiplicate flower (Bot.), a flower that is double, or has an unusual number of petals in consequence of the abnormal multiplication of the parts of the floral whorls.