Dictionary.net

• A separate part of a monostelic stem passing outwards from stele to leaves; the branch of a stele supplying a leaf.

1920 - A dictionary of scientific terms.
By Henderson, I. F.; Henderson, W. D.

• [Greek] A separate part of a monostelic stem passing outwards from stele to leaves; the branch of a stele supplying a leaf.

1920 - A dictionary of scientific terms (6th edition)
By J.H. Kenneth