A deciduous tree drops it's leaves in the Autumn, while their sap retreats to thicker limbs. An evergreen (AKA coniferous; cone-bearing) keeps it's needles year-round.
Here's a definition of the word "deciduous". -adjective1.shedding the leaves annually, as certain trees and shrubs.2.falling off or shed at a particular season, stage of growth, etc., as leaves,...