They tend to have quite a slender shape, with trunks and limbs which remain long and thin. Birch trees are typically small to medium in size, and they can also be grown as shrubs. The majority of Birch species are native to Asia and Europe, with a smaller number growing natively in North America. There are believed to be between 30 and 60 species of Birch in existence, and at least 11 of these are considered to be in danger of extinction. Types of Alder Trees:īirch trees belong to the Betulaceae family, which also includes Alders and Hazels. ![]() They have strong roots which can help with issues around soil erosion, particularly near streams or riverbanks. Alder trees tend to be fast-growing and will reproduce easily from seed. Alder trees are commonly linked with the Frankia alni bacterium, which is associated with fixing the nutrient content of soils. They prefer moist and damp conditions and are able to grow in places where other trees will struggle due to the fact that they thrive in soils that are lacking in nutrients. Typically you will find Alder trees growing alongside riverbanks, in wetlands, woodlands, and close to ponds and other sources of water. There are over 30 species in this genus, most of which thrive in wet, swamp-like conditions. Types of Maple Trees:Īlder trees are native to almost all of Europe, with some species also being found in the Americas. If your garden isn’t big enough for a large Maple tree, there are plenty of smaller types of Acer’s that produce similar stunning foliage but on a much smaller scale. Maple trees are also grown for their lumber, which is a strong and elegant hardwood. As well as being loved for their striking canopy, Maple trees are known for their sap which is used to produce maple syrup. Many Maple trees also have interesting bark, which is appreciated when it is on display through winter, as the leaves shed. In North America, Maple trees are considered to be among the best shade trees, which bring lush foliage to the summer months and vivid fall colors towards the latter half of the year. The majority of Acer trees are native to Asia, though there are also some which hail from North America, Europe, and North Africa. There are over 130 species of Acers, which belong to the Soapberry (Sapindaceae) family. Unfortunately, these trees tend to be quite short-lived, with a typical lifespan of between just 20 and 30 years. ![]() Acacia trees grow well in tropical climates, where they can produce clusters of fragrant flowers at their branch tips. The fact that Acacia trees grow quite quickly also means they are reasonably sustainable, and the wood is fairly inexpensive compared with other hardwoods. It has a rich, tan color which is considered to be broadly attractive, and it also possesses water-resistant qualities which make it well suited for use as outdoor furniture. Today it is commonly used in furniture making, as Acacia wood is known to be extremely dense and strong, which makes it durable and sturdy. This is a reference to the fact that Acacia branches and stems were used to weave fences, roofs, walls, and other structures and items in the early 1800s. ![]() The common name of ‘wattle’ is believed to have been derived from Proto-Germanic words which translate to mean ‘to weave’. The Acacia genus of trees comprises more than 1300 species, including both trees and shrubs. They are also grown for their wood which is known for being strong and durable, and some types of fir are specifically cultivated to be sold as Christmas trees. Fir trees are easy to care for and are one of the best low-maintenance trees, making them ideal for adding shade and year-round color to the garden. They have needle-like foliage which can vary from whitish-green through to dark green depending on the type of tree. Fir trees can be distinguished by their cones, which stand pointing upwards at the tips of their branches. They are evergreen, coniferous trees, which are predominantly native to mountainous regions throughout North America, Asia, and Europe. Trees Categorized by Species Abies Speciesįir trees are closely related to Cedar trees and have very similar appearances, both belonging to the Pine (Pinaceae) family. Trees are organized into families, which are then broken down into genera, and each genus is then broken down into species. Prior to this, the estimate for the number of different tree species on earth was 64,000 because this is the approximate number for the number of trees that have been documented. Recent studies by scientists concluded that there are around 73,000 different species of trees on the planet, including around 9000 species that have yet to be discovered.
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