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 …

Ordering by Common Name | Order by Latin Name. acacia, sweet Also known as: huisache; weesatch Acacia farnesiana More about this tree... acacia, Wright Also known as: catclaw, Wright Acacia …

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 root system …

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 …

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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.

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.