During the spring and summer the leaves have served as factories where most of the foods necessary for the tree's growth are manufactured. This food-making process takes place in the leaf in numerous ...

Most leaves can be turned into leaf mould, but some take longer to compost than others. Oak, alder and hornbeam will soon rot down, while sycamore, beech, horse chestnut and sweet chestnut take a ...

are about a million times bigger than the leaves of heather. The conventional wisdom is that leaf size is limited by the balance between how much water is available to a plant and the risk of ...