Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. Not all trees drop their leaves in the fall. Even in the height of winter ...
A leaf may appear to be one of the simplest structures in nature, thin, delicate and easily overlooked. At first glance, it seems far removed from the complex systems that scientists usually describe ...
For short-lived spring wildflowers such as wood anemone (Anemone quinquefolia) and Dutchman's breeches (Dicentra cucullaria), timing is everything. These fleeting plants, known as ephemerals, grow in ...
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