Like people, leaves have their limits when it comes to heat. Scientists first reported in 1864 that the leaves of some plants could survive up to 50° Celsius, only to perish beyond that threshold.

A 17-year experiment in Panama revealed that the process of leaves falling and decomposing on the ground provides nutrients to the soil that help promote tree growth in otherwise infertile tropical ...

Plant leaves exhibit a great diversity of forms that can be grouped into two types: simple leaves with a single blade, and compound leaves with multiple units called leaflets. A major question for ...

Research by Assistant Professor Jacob S. Suissa at the University of Tennessee, Knoxville, is revealing complexity in how ferns have evolved. Instead of the vascular structure inside fern stems ...