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 …

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.

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May 9, 2026 · What is a tree? A tree is a perennial woody plant that has a single self-supporting trunk containing woody tissues. In most species, the trunk produces secondary limbs called branches. …

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 …

Below is a list of Massachusetts growers and retailers of native nursery stock. If your favorite nursery is not listed here, they may still be able to order you the plants you are looking for.

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 …

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.