Occasionally maple leaf margins are entire, without any teeth at all. If the tooth cuts less than ¼ of the distance to the midvein, it is a large tooth. If the distance it cuts is more than ¼ of the distance to the midvein, it is a lobule. The distinction between a large tooth and a lobule is a bit more subjective but follows a 25% rule. Another way to look at it is that in palmate leaves, a lobe typically has a main vein running to it, while a lobule typically does not. A lobule is different from a lobe because a lobule is a projection of a lobe rather than a stand-alone feature. In many maples, the teeth become so large they are often referred to as lobules meaning small lobes. Sometimes the teeth are almost crenate (rounded-toothed, smooth, not jagged or sharp) or crenate-serrate, where they are somewhere in between. Sometimes they are double-serrated, where the teeth have teeth of their own. The teeth can be very small or fine, or often they are widely spaced and large. Maple leaves are often serrated with sharp, jagged saw-like teeth. In addition to Minnesota, the Box Elder Maple is also found in Iowa and Indiana, as well as many other states across the USA and Canada.Identifying Maple Trees by Their Leaf Margins It is a relatively soft wood that is close-grained and light in color, so it is not able to be used for certain things that other types of harder wood can be used for. In addition to these uses, the wood from this plant is used for fiberboard and even pens, bowls, and stemware, among other things. Native Americans have used the box elder maple for numerous purposes, including burning the wood for incense and as candy when the sap is mixed with certain animal hides. It grows to roughly 35 to 80 feet in height and lives 60 to 100 years, which is considered a short time when compared to many other trees. Box Elder Maple (acer negundo) in springĪlso called the ash-leaved maple, this tree is short-lived but grows very fast.Box Elder Maple (acer negundo) summer leaves.Silver maple trees often shed their leaves sooner than other maple trees, and the wood is used to make items such as crates, tool handles, and lumber for construction projects. The reason it is called the swamp or water maple is because it is almost always found near wet areas, including wetlands and waterways. It grows fast and usually gets from 36 to 49 feet high. The silver maple - also called the swamp, silverleaf, or water maple - is very common in the eastern and central parts of the country, and even in parts of southeast Canada. The wood of the tree is used for everything from musical instruments to furniture and even the veneer industry. The red maple tree also has a massive root system, which makes it perfect for planting in more urban areas. Because the tree is able to adjust to different site conditions and types of soil, it is a very sturdy tree. They usually get to around 100 feet high and have leaves with different forms. Red maple trees are the most abundant native trees in the eastern part of the United States, and some people call them soft maple trees. Their glowing colors can often be found in urban areas that brighten up the area and lend it some ambiance. The sugar maple tree has five-lobed leaves that get to around eight inches in length, and their fall colors include yellow, orange, and bright orange-red. Some sugar maples get to around 150 feet tall, so these are very eye-catching trees indeed. They grow to around 115 feet high and have some of the most beautiful leaves during the fall season. Sugar maples, or rock maples as they are sometimes called, are the main tree used when making maple syrup. If you’re interested in learning more about the maple trees in Minnesota, below is a description of them.
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