An elm tree has coarse bark that is between light and dark gray. The leaves of an elm tree are oval-shaped and have a jagged, saw-like edge. Also, the leaves alternate on both sides of the shoot.Know More
The majority of elm species are between 30 and 70 feet tall, and have a spread width between 30 and 60 feet. However, the elms of the American elm species typically grow to be between 80 and 130 feet tall with a spread between 60 and 120 feet. Most elms are in an upright form and resemble a vase. However, there are some elm species that have a round shape.
Elm tree flowers bloom at different times during the year. If an elm tree blooms in the summer or fall, the flowers are covered by the leaves. An elm tree blooming in early spring before the leaves are out is easier to identify. The elm flower is yellow and sometimes has a hint of purple. The elm leaf color in the fall is either bright yellow or purple with a red tint. Elm trees grow at a fast rate and live a moderate to long life. Elms grow best when they receive direct sunlight and adapt well to most soil types.Learn more about Botany
A locust tree can be identified by its bark, leaves, flowers and seeds, which varies depending on the type of locust. It can also be identified by its habit, which can be a pyramidal, spreading, round or vaselike shape. The area where the tree grows can also help in its identification. Locust trees are native to the eastern part of the United States.Full Answer >
A green fungus-like growth on tree bark can be moss, lichen or algae. Although the growth may look like a fungal disease, it is not. Similarly, the growth of these different substances on tree bark will do no harm to the tree.Full Answer >
Birch trees and aspen trees have a similar appearance, but possess significant differences, specifically in their leaves, buds, bark and abilities to tolerate extreme climates. Additionally, while aspen trees are found across the country, birch trees are primarily found only in the eastern United States and areas of Canada, according to Garden Guides.Full Answer >
The most common identifying characteristics of a black walnut tree are found in its leaves, bark, twigs and nuts. Oval, sharp-pointed leaves with indented edges alternate on the branches, with the largest leaves toward the center. The black or gray-brown bark shows heavy furrows and twigs are hollow inside.Full Answer >