Leafscar
Leafscar is a term used to describe the mark left on a plant stem after a leaf has fallen off. This scar is typically a small, visible area where the petiole, the stalk that attaches the leaf to the stem, was once connected. The appearance and size of a leaf scar can vary greatly depending on the plant species. Some leaf scars are small and inconspicuous, while others can be larger and more prominent. They may be raised, sunken, or flush with the stem surface.
The shape of a leaf scar can also be a distinguishing feature for plant identification. Common shapes
The arrangement of leaf scars on a stem can also provide clues about the plant's growth habit.