The leaf scars of this plant are shown by the round spots on the stem. A leaf scar develops after a plant loses its leaves in the fall. The wound from the lost leaf is closed up by this scar to prevent infection. (1)
Citations:
1. "Leaf Scar (plant Anatomy)." Encyclopedia Britannica Online. Encyclopedia Britannica. Web. 28 Apr. 2012. <http://www.britannica.com/EBchecked/topic/333821/leaf-scar>.
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