In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, e.g., including only …

May 27, 2025 · Tree, woody plant that regularly renews its growth. Most plants classified as trees have a single self-supporting trunk containing woody tissues, and in most species the trunk …

Jan 22, 2024 · All types of trees play an important role in our ecosystem. Trees provide shade, shelter, oxygen, and many even produce fruit. There are over 60,000 species of trees that …

Learn to identify the trees in your world with this colorful, easy-to-use guide that’s great for everyone from students to professional arborists. In it, you’ll find: Experience the power of …

A tree is a tall plant with a trunk and branches made of wood. Trees can live for many years. The oldest living tree found is about 5,000 years old. The oldest tree from the UK is about 1,000 …

Trees are very diverse plants that are spread around the world. There are more than 73,000 discovered species of trees. Most of the trees can be categorized into four main types …

What is a Tree? How Does it Work? Every year, trees grow two annual rings. In the spring, the usually wider and thinner-walled layer, called springwood, grows. In the summer, a thicker …

Nov 14, 2023 · Here's our simple definition: A tree is a tall plant that can live a very long time. It has a single stem or trunk and branches that support leaves. Beneath the ground, a tree has a …

Learn about the differences between a tree and other plant forms. What is the definition of a tree? What is the difference between a deciduous or evergreen tree? Learn key characteristics of …

Healthy communities: Tree-filled neighborhoods lower levels of domestic violence and are safer and more sociable. Healthy environment: One hundred mature trees catch about 139,000 …