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How are leaves classfied based on their ...

How are leaves classfied based on their duration?

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Leaves may stay and function for few days to many years, largely determined by the adaptations to climatic conditions.
Cauducuous (Fagacious) : Falling off soon after formation. e.g., Opuntia and Cissus quadrangularis.
Deciduous : Falling at the end of growing season so that the plant (tree or shrub) is leafless in winter/summer season. e.g. Maple, Plumeria, Launea and Erythrina.
Evergreen : Leaves persist throughout the year, falling regularly so that tree is never leafless. e.g., Mimusops and Calophyllum.
Marcescent : Leaves not falling but withering on the plant as in several members of Fagaceae.
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