The spiky, iconic Canadian maple leaf. A large, lush Florida palm leaf. Thin aspen leaves rustling in the crisp Colorado air. You can probably recall many different leaf shapes from many different ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Leaf shapes play an important role in tree identification, providing key ...

Plant biologists report that a species of tree fern found only in Panama reanimates its own dead leaf fronds, converting them into root structures that feed the mother plant. The fern, Cyathea ...

To get by in the waterlogged, low-nutrient soil of the Quebrada Chorro forest in western Panama, a species of tree fern repurposes its dead fronds, turning them into roots. The discovery “was ...

Trees with heart-shaped leaves are lovely, especially these that also boast fall colors, flowers, and weeping habits. Here are 15 to consider.

In the Panamanian rainforest, scientists found the first known plant species to transform decaying tissue into a new source of nutrients. By Douglas Main In the rainforests of western Panama, the ...