Abscission

Abscission [ Botany ]
Verb: To Abscise

Dictionary of botanic terminology - index of names

The dropping of leaves, fruits or floral structures upon maturation or at the end of a growing season.

Shedding by a plant of its parts, such as leaves, flowers, fruits, or seeds following formation of scar tissue.
The abscission is the result of physical weakness in a specialized layer of cells (abscission layer) that develops at the base; The process is regulated by the plant hormone abscisic acid.

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