Rhizome The Plumeria > Rhizome Posted on September 13, 2016November 10, 2022 by PlumeriaDB ALL0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ Share This Tweet Share Tags: RootsCategories: RootsA stem that forms the main axis of the plant. An underground creeping stem that can produce roots and shoots at each node. (adj. rhizomatous)