Deciduous means falling off at maturity or tending to fall off (deriving from the Latin word, to fall off) and's typically used in reference to trees or shrubs that lose their leaves seasonally and to the shedding of other plant structures such as petals after flowering or fruit when ripe. In a more specific sense deciduous means the dropping of a part that's no longer needed, or falling away after its purpose's finished. In plants it's the result of natural processes. Deciduous has a s… (More on Deciduous)