Female (left) and male spruce cones at the Arnold Arboretum. It's a more common sight to see separate male and female cones like this. (Courtesy William "Ned" Friedman) Every spring the conifer trees ...

On a cold winter’s day, with the sun dipping in and out of the clouds, we walked the neighborhood to admire what many people call pines, trees that are green year-round. Actually, those evergreens ...

The original Christmas tree was a Spruce, which is distinguished by its cone shape and whorled branches. The needles of a Spruce are attached singly to the branches rather than in bunches, in a spiral ...

With fall just around the corner, we can begin to witness the trees just starting to put on their fall color display. That means many of us will begin talking about how our favorite pigskin team ...

Lush, sprawling forests, trails littered with cones and the clean, waxy smell of evergreens in the crisp morning air: Colorado. This state is known for its towering lodgepole pines, pale blue spruces ...

If you've recently walked down a street and stopped in your tracks after spotting far more cones than expected on a spruce tree, you're not the only one. According to Ed Johnson, Professor of ...

One of the dominant tree species in our Colorado Rocky Mountain subalpine forests is the spruce. A spruce is an evergreen tree or conifer belonging to genus Picea and there are about 35 species ...

Add Yahoo as a preferred source to see more of our stories on Google. The sun shines through a stand of spruce and fir trees in the Acadia Research Forest. (Jennifer Sweet/CBC - image credit) If ...