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bundle scar

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noun Botany.
  1. any small mark left on the leaf scar from the vascular tissue, where the leaf was once attached to the stem.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
bundle scar in Science

bundle scar

  1. A small mark on a leaf scar indicating a point where a vein from the leaf was once connected with the stem. Species often differ in the number and placement of the bundle scars within a single leaf scar, and bundle scars are used to identify trees in winter or from twigs without leaves.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.