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 ...

Nature classifies all trees into three main groups. Deciduous trees shed leaves seasonally. Evergreen trees remain green year-round. Coniferous trees reproduce using cones. These categories explain ...

As the autumn leaves flutter to the ground, you might find yourself picking one up, observing its color and shape, and wondering: What kind of tree is this from, anyway? Oregon is best known for its ...

The exact science of tree sap transport has puzzled plant physiologists for many years. Sap's migration throughout tree trunks and branches is linked heavily to transpiration, the movement and ...

Coast Redwood trees are one of the more than 200 species threatened by extinction around the world. J. A. Kraulis/Masterfile/Corbis Humans are pretty close with conifers. Each year, millions of people ...