The center of a tree or shrub stem (from roots to trunk, branches, and twigs) is woody, composed of xylem cells that conduct water from the roots to the upper parts of the tree. That woody section is ...

Add Yahoo as a preferred source to see more of our stories on Google. Trees produce antibodies against harmful fungi. But bark beetles absorb these antibodies and use them to their own advantage. And ...

When fall’s cold nights kill the flowers and cause so many of our trees and shrubs to drop their leaves, the bareness shines our focus on what’s left – for one thing, tree trunks. Trunks and their ...

So often we choose a tree because of its flowers, leaves, fall color or its fruit. Often, we forget about the bark. However, on many trees, the bark is the most interesting part of the tree. This can ...

Bark beetles may use receptors in their antennae to detect and feast on fungus-infected trees. The Eurasian spruce bark beetle (Ips typographus) – found in Europe, Asia and some parts of Africa – ...

The mechanism has resulted from evolution over millions of years to protect the buds that enable plants to survive fire. A study conducted in an environmental protection unit can contribute to ...

As Colorado experiences its signature whiplash weather, arborists are warning that stressed trees are more vulnerable to pests and diseases. Peel back the bark, and you may find a predator in your ...

Most people tend to overlook tree bark as rather uninteresting, at best. It's too bad, because bark is a fascinating and often attractive plant "invention," and is actually rather complex in its ...