The mark left on a stem after a leaf falls. Leaf scars can be used to identify tree species in winter or from specimens of their twigs.
Leaf-scar Sentence Examples
The leaf scar is protected by a corky change (suberization) in the walls of the exposed cells.
In the median line, immediately above the leaf-scar, is a print representing the ligule, or rather the pit in which it was seated.
In the genus Lepidophloios the leaf-cushions are more prominent than in Lepidodendron, and their greatest diameter is in the transverse direction; on the older stems the leaf-scar lies towards the lower side of the cushion.