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leaf scar

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noun Botany.

the mark left on a stem or twig after a leaf falls.

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for leaf scar

A lateral bud is one situated on the side of a twig in the axil of a leaf-scar.
Michigan Trees|Charles Herbert Otis
In some varieties the leaf-scar is conspicuous; in others, it is inconspicuous.
The Pears of New York|U. P. Hedrick
The scales, being stipules, leave a line on each side of the leaf-scar, and these are separated by the growth of the internodes.
Outlines of Lessons in Botany, Part I; From Seed to Leaf|Jane H. Newell
The flower-clusters do not seem to leave any mark which is distinguishable from the leaf-scar.
Outlines of Lessons in Botany, Part I; From Seed to Leaf|Jane H. Newell

The leaves are trimmed off, from season to season, leaving the bare stalk, showing the leaf-scar.
In Indian Mexico (1908)|Frederick Starr

Science definitions for leaf scar

leaf scar

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.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.