Cau*lom"ic

from The Collaborative International Dictionary of English v.0.48

Caulome \Cau"lome\, n. [Gr. kalo`s stem + -ome as in rhizome.]
   (Bot.)
   A stem structure or stem axis of a plant, viewed as a whole.
   -- {Cau*lom"ic}, a.
   [Webster 1913 Suppl.]