Alder Tree Identification
As one common landscaping tree species all around the world, the alder tree are planted in may gardens and parks. Some people think that they are not easy to identify and are always confuse alder trees with other tree species because of similar appearance. However, they have some special features and appearances which make them be easily distinguished from other trees.
The alder tree is a member of the birch family which can grow up to 80 feet in height. They are originated from America and have many varieties in all around the world. One of their growing habitat is that they prefer to grow in locations around water areas such as rivers or lakes. This is because they like to grow in moist environment. They usually cannot survive in drought environment and this can be one of the features to identify them from other trees. Also, they will grow uprightly and form a cone shape naturally. They usually do not have a large canopy and this can make them easy to be differentiated from other trees as well.
The bark of alder trees is another factor which can be helpful to identify them. They usually have thin and fine barks especially for young trees. These barks have various colors ranging from gray to yellow and brown. Generally most alder trees have gray barks and the color of the internal side is usually red. Apart from barks, the leaves of alder trees also have special oval shape with special serrated edges. Most of their leaves are less than 5 inches in length are growing in clusters at the end of twigs. They also grow special cones which contain several seeds inside. This is one of the most apparent features to help identify the trees.
Image provided by Roger Temple [CC-BY-SA-2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons