The primary functions of roots are to anchor the tree to the ground, store carbohydrates, absorb water and nutrients, and conduct those nutrients to the vascular system of the tre ...

Whether it's for a school project or because you really want to visualize your family's history, drawing a family tree is a ...

Ask someone to draw a tree and s/he will invariably draw a trunk and branches -- leaving the roots out of the picture. In a unique study of tropical tree roots at the Smithsonian Tropical Research ...

There is even a drawing of a dandelion root system, whose taproot grows to a depth of 41/2 feet, as well as a drawing of that intractable field bindweed (Convolvulus arvensis), recognizable by its ...