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 …

Jan 22, 2026 · 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 …

What Tree Is That? is a tree identification guide from the Arbor Day Foundation, featuring an easy-to-use, step-by-step process to identify nearly any tree in North America.

The meaning of TREE is a woody perennial plant having a single usually elongated main stem generally with few or no branches on its lower part. How to use tree in a sentence.

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 …

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 …

The earliest trees were tree ferns, horsetails and lycophytes, which grew in forests in the Carboniferous period; tree ferns still survive, but the only surviving horsetails and lycophytes are not of tree form.

Dive into robust resources and helpful tips for tree selection, planting, care, and more.

Jan 22, 2026 · As vascular plants, trees are organized into three major organs: the roots, the stems, and the leaves. The leaves are the principal photosynthetic organs of most higher vascular plants.

Our tree guide offers extensive information on tree height and spread, soil and sunlight needs, leaf characteristics, historical background, wildlife habitat, and much more.