Question : How are leaves classfied based on their duration?

1.	Question : How are leaves classfied based on their duration?
Answer» Solution :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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