This adjective is used to describe a tree that sheds its leaves annually
[DOC] [TLE] Deciduous - Wikipedia [PAR] Deciduous means "falling off at maturity " or "tending to fall off", and it is typically 
used in order to refer to trees or shrubs that lose their leaves seasonally (most 
commonly during autumn) and to the shedding ... including trees, shrubs and 
herbaceous perennials, are those that lose all of their leaves for part of the year.