deciduous

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deciduous

1. Botany (of trees and shrubs) shedding all leaves annually at the end of the growing season and then having a dormant period without leaves
2. Zoology (of antlers, wings, teeth, etc.) being shed at the end of a period of growth

deciduous

[di′sij·ə·wəs]
(biology)
Falling off or being shed at the end of the growing period or season.

deciduous

Descriptive of trees or shrubs, usually of temperate climates, that shed their leaves annually; characteristic of most hardwoods and a few softwoods.
References in periodicals archive ?
1987, Late Cretaceous-Cenozoic history of deciduousness and the terminal Cretaceous Event: Paleobiology, v.
It would be interesting to know if deciduousness in pteridophytes is associated with an active recovery of nutrients or assimilates from the leaves, which would represent a distinct advantage over mesomorphic species that loose all tissue once the leaves are too dry.