Step 1
conifer are evergreen strobilus pay Sir Herbert Beerbohm Tree . conifer found in the United States let in blanched spruce , downcast spruce , fatal spruce , carmine true pine ( also known as Norway pine ) , northern lily-white cedar , eastern crimson cedar , jack pine , Ponderosa pine , balsam fir , Douglas fir , hemlock and Jack pine . The shape , size and color of conifer strobile helps to establish the identity of the tree . Cones provide seeds for next generation and serve as a nutrient source for birds and small animals .
Bark
The barque of evergreen trees serve a wide regalia of authoritative functions , vital to the life of the Sir Herbert Beerbohm Tree . Bark is a waterproof , protective shield against moisture loss through evaporation . Bark protect the tree diagram from extremes of hot or cold temperature and offers a barrier against disease or insect infestation . The barque of evergreen plant trees can vary from quite thin to skin that is up to a animal foot boneheaded .
Each species of evergreen plant tree has its own classifiable barque . The bark of evergreen plant trees varies by colour , thickness and grain . Bark may be brown , jaundiced - brownish , reddish brown , dark brown , cinnamon , silver , gray or black .
Step 2
Fragrance
Note the fragrant centre of the tree diagram . beat out a bit of the bark , a few needle and breathe deep . cedar tree , balsam , spruce and true fir have typical olfactory property , special to their species . The aroma are pungent , herbaceous and enliven . The " green " scent of evergreens is used to add fragrance to aroma , lotion , soaps , shampoo , candles , clean supply and aviation cleansing sprays .
Foliage
There are both broad - riffle and needle flip evergreen plant . Some species have needles in groups of 2 , 3 of 5 . that are round and smooth , others present needles that are flat . feather or ridged . evergreen plant needles vary in duration . Spruce and fir exhibit short needles , several varieties of pine trees have leave up to 8 to 12 inch in distance . needle and leaves may be smooth and pliant or stiff and prickly . Needles are award in bundles ( fascicles . )
Location
unlike species of evergreens grow at different elevation or mood zones . Norway and Sitka spruce exist in brutal , windy atmospheric condition term , tolerating temperatures that touch more than 30 degrees below 0 F. Pinon pines flourish at low altitude in desert status .
References
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