The wood of the stem of a tropical tree that has been grown under continuous water stress will be darker in color than the wood from trees of the same species that were not water stressed.This darker wood resembles the summer wood in a temperate tree, which is often darker than spring wood because

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When a tree is under water stress, it produces smaller and thicker cells because it has limited water availability. These smaller and thicker cells in the wood result in a darker color, similar to the summer wood in a temperate tree, which has smaller and thicker cells due to decreased water availability later in the growing season.

The Wood of the Stem of a Tropical Tree That