With half a million species and representing a billion years of evolution, a better understanding of the green plant tree of life is crucial for the survival of humankind.
Phloem is the vascular tissue in plants - responsible for transporting sugars from source to sink. It is well established that osmotic currents drive the flow of sap through phloem vessels.
Tropical forests are highly productive and biodiverse, exchanging more carbon with the atmosphere than any other terrestrial ecosystem and representing the apex of taxonomic and structural diversity on land.