The roots contain tannin and can be used to make a brown dye.

The roots are sweet, but contain inulin, which gives some people digestive problems.

The root contains high valuable substances, which have already been used as medicine by native Americans a long time ago.

The roots and above ground parts of the plants are containing alkaloids.

The root, the organ most often used, contains saponin complexes.

The roots also contain wide aerenchyma to facilitate transport within the plant.

The root contains even higher concentrations than the aerial parts.

Thus, the root of the tree contains the maximum (or minimum) element at a given time.

The root of the tree contains the following three arcs:

Its roots contain rotenone, a strong insecticide and fish poison.