panicle
nounA loosely branched inflorescence, especially a branching raceme.
nounA form of inflorescence produced, in its simple and normal type, when a raceme becomes irregularly compound by some of the pedicles developing into peduncles, each bearing several flowers, or branching again and again in the same order.
nounA pyramidal form of inflorescence, in which the cluster is loosely branched below and gradually simpler toward the end.
nounA compound
compound raceme or branched cluster of flowers