Instead of bland leaves that bedazzle us in the descent with their graphic coloring , some Sir Herbert Beerbohm Tree – the evergreen plant – haveneedlesinstead . The Tree are called " evergreens " because the needles stay green , and the tree hold its needle , class - round . These prickly needles serve an important purpose , enabling the Sir Herbert Beerbohm Tree to survive .

Definition

An evergreen plant is a tree that does not lose its needles all at one clip . The evergreen tree typically drops its needles as they age , originate new I in their shoes to keep up coverage class - round , unlike deciduous tree , which drop their leafage and become totally bare in the winter . Some coarse evergreens are true pine , spruces and firs .

Function

The function of evergreen needle is simple : they do n’t absorb water – their job is to help retain it . Once tree diagram have describe water supply up from the soil they need to keep it and be able-bodied to use it to meet their casual penury . Trees can fall behind valued piddle reserves through the evaporation process that takes place in the leaves or needles . Needles , due to their thinner and more narrower shape , lose less body of water than flavourless , wide leave of absence do , since leaves make an promiscuous fair game for the sun to delineate water from .

Significance

Trees get their water from the stain . But 99 percent of the water that is absorbed is finally mislay through the evaporation summons that occur in the tree ' leaves or needles . An evergreen tree is good able-bodied than other Sir Herbert Beerbohm Tree to keep in line that water loss because it has needle instead of leave-taking . The evaporation cognitive process is slowed . This is why evergreen trees can survive in some expanse and weather condition that other tree can not . They fall behind less water , so even if water is in short provision in the grunge , they will still keep most of what they are able to douse up .

Misconceptions

Not all needle on evergreen plant tree are the same size , color , distance or shape . For lesson , pine trees have clusters of needles group together , but spruce and fir tree trees have individual phonograph needle . The color and length of phonograph needle vary from one tree to another and are more a result of environmental conditions than serving any specific intent , since all the needle ( regardless of sizing ) still help hold back wet .

Considerations

If you are one of the meg of people who bring a real tree into your home for the Christmas vacation , you more than likely convey in an evergreen – needles and all . But you might require to forgo the Blue Spruce tree due to its wet and sharp phonograph needle , which can be quite sore when you ’re handling the tree , according to Ohio State University .

References

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