Leaf hairs – Coverings on a leaf's epidermis that may or may not exist with every tree species. Palisade layer – A tightly packed layer of long tube-like parenchyma tissues filled with ...

Leaf shapes play an important role in tree identification, providing key characteristics that botanists and foresters rely on. As a result, botanists and foresters have developed terms for the ...

An article just published in Science China Life Sciences reports a von Willebrand factor type A (vWA)-/Vwaint- domain protein that affects grain size and weight as well as flag leaf morphology by ...