<P> The litter - trapping marcescent leaf crowns of Dypsis palms accumulate detritus to enhance their nutrient supply . By the same token, palms with marcescent leaf bases are also more susceptible to epiphytic parasites like figs that may completely engulf and strangle the palms . </P> <P> Having marcescent leaves also creates unique disadvantages for plants . In comparison to marcescent leaves, deciduous shed their leaves in the Autumn season when the days begin in shorten and the air temperatures drop . For those trees that don't shed their foliage, they do hold some forms of disadvantages </P> <Ol> <Li> Foliage during harsh winter seasons can cause excessive damage to the leaves and or branches . Additional weight can accumulate on this foliage and surpass the strength of the limbs, leading to failure . </Li> <Li> Additional foliage during the winter season also requires the trees to use more water . </Li> <Li> By losing their leaves during winter, deciduous trees experience less damage from insects </Li> </Ol> <Li> Foliage during harsh winter seasons can cause excessive damage to the leaves and or branches . Additional weight can accumulate on this foliage and surpass the strength of the limbs, leading to failure . </Li>

When do red oak trees drop their leaves