When you've always known deciduous trees to drop their leaves in winter, seeing one that hasn't can be unsettling. Here's why ...

This phenomenon, called marcescence, adds a unique dimension to the winter landscape, and gives me something to ponder while ...

What’s a tulip tree? There are two plant species grown in Marin that are called tulip trees. Magnolia soulangeana, a ...

Deciduous trees – trees that lose their leaves every year and their leaves change colour with each season, such as oak trees. Deforestation – when trees are cut down to clear the land for ...

I was up in the White Mountains this weekend, walking out to my car in the AMC’s Highland Center parking lot after a hike, ...

Ecologists have developed several theories that offer possible explanations. In most deciduous trees, leaves from the previous growing season are aborted as winter approaches. Leaves are no longer ...