FRUITS | Types

Twig Morphology: Scars

scars are useful marks for identification that remain on a twig once a part of the plant falls off

Leaf Scars	the mark remaining at the point of attachment of a leaf following abscission
Vascular Bundle Scars	small dots within a leaf scar that show where strands of vascular tissue passed from a twig to a leaf
Stipular Scars	paired scars above and to either side of a leaf scar caused by abscission of the stipules
Bud Scale Scars	marks left by terminal bud scales falling off when the terminal bud opens

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Leaf Scars

the mark remaining at the point of attachment of a leaf following abscission

Vascular Bundle Scars

small dots within a leaf scar that show where strands of vascular tissue passed from a twig to a leaf

Stipular Scars

paired scars above and to either side of a leaf scar caused by abscission of the stipules

Bud Scale Scars

marks left by terminal bud scales falling off when the terminal bud opens

All definitions are from J. W. Hardin, D. J. Leopold, and F. M. White. (2001). Harlow & Harrar's Textbook of Dendrology. Ninth edition. McGraw Hill, New York, New York, 534 pp. ISBN: 0073661716.