Origin of ligule
Examples from the Web for ligule
The ligule is a fringe of close-set hairs on an inconspicuous ridge.
From Holcus it is easily distinguished by the sheaths, ligule and soft hairs of that genus.
Molinia also has a tuft of hairs instead of a ligule, and a split sheath, and its habit is different.
The ligule is a short thin membrane with very short cilia on the free margin.
Sheath of the leaves usually more or less extended above the base of the blade into a scarious appendage (ligule).