Trees are not a monophyletic taxonomic group but consist of a wide variety of plant species that have independently evolved a trunk and branches as a way to tower above other plants to compete for …

Oct 28, 2025 · A tree is a 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 produces …

Jan 22, 2024 · In this article, you will learn how to identify many different types of trees. Most of these trees are common in North America, Europe, and other countries around the world. All of the …

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 trees by getting your …

Leaves make food for the tree, and this tells us much about their shapes. For example, the narrow needles of a Douglas fir can expose as much as three acres of chlorophyll surface to the sun. The …

Worried that your tree might fall on your house? Consult a certified independent arborist (one who does not sell tree services, known as a Consulting Arborist in the industry) who can assess the risk.

Trees, shrubs, and vines belong to many different plant families. Some are closely related, like ponderosa pine and limber pine. Others are not closely related at all, like eastern red cedar and …

The crown of the tree is made up of the leaves and branches. The trunk of the tree supports the crown and serves as a highway for food made in the leaves to travel to the roots and for water and nutrients …

In general, a plant is considered a tree if its height reaches more than 13 feet, lives for many years, and has a woody stem. Moreover, there are certain features which are common in trees.

5 days ago · With so many varieties sold as Christmas trees, knowing what differentiates a Douglas fir from a Norway spruce is key to shopping for a real tree you’ll love.