The Collaborative International Dictionary of English v.0.48:

Paniculate \Pa*nic"u*late\, Paniculated \Pa*nic"u*la`ted\, a.
   [See Panicle.] (Bot)
   Same as Panicled.
   [1913 Webster]

WordNet (r) 3.0 (2006):

paniculate
    adj 1: having a panicle