The amazing finding comes from a survey of 39 trees by Brent Helliker and Suzanna Richter from the University of Pennsylvania. The pair looked at both deciduous and evergreen species across the entire ...

Leaves can be enjoyed for their shade, autumn colors, or taste, and the arrangement of leaves on a plant is a practical way to identify a species. However, the details of how plants control their leaf ...

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 ...

New University of Arizona research indicates that leaf vein patterns correlate with functions such as carbon intake and water use – knowledge that could help scientists better understand the complex ...

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 ...