How tall can a tree grow? Does sunlight or water limit the size and photosynthetic capacity of a leaf? Could constraints on leaf growth really determine the height of a tree? These are all questions ...

What limits the height of trees? Is it the fraction of their photosynthetic energy they devote to productive new leaves? Or is it their ability to hoist water hundreds of feet into the air, supplying ...

Larger leaves favor photosynthetic production of a sugar-rich fluid to nourish the tree, but if the tree is too tall, the nutrient flow is slowed. Why are the leaves on the tallest trees all about the ...