Add Yahoo as a preferred source to see more of our stories on Google. For broad-leaved trees like the holm oak, which grows in Mediterranean climates with dry summers and rainy winters, this seasonal ...

In this edition of ID That Tree, Purdue Extension forester Lenny Farlee takes us through the different characteristics of coniferous trees found here in Indiana, particularly their foliage and the ...

Redwood trees have two types of leaves, one to make food and the other to absorb water, found a new study. It's the first study to estimate whole-crown water absorption in a large, mature tree. The ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Leaves are food factories for the tree. Powered by sunlight, the green ...

The temperature inside a healthy, photosynthesizing tree leaf, about 21 degrees C, is affected less by outside environmental temperature than originally believed, according to new research from ...

When I was a child in the 1980s, my family traveled nearly every summer from our home in Los Angeles to the other side of the world. We spent monsoon-drenched weeks on my grandparents’ farm in ...

Redwoods are among the most well-studied trees on the planet, and yet their mysteries continue to surprise and delight scientists and nature lovers. Scientists from the University of California, Davis ...