Hickory trees have dark gray or brown bark with deep patterned furrows that ... The species is immensely valuable in that it ...

The center of a tree or shrub stem (from roots to trunk, branches, and twigs) is woody, composed of xylem cells that conduct water from the roots to the upper parts of the tree. That woody section is ...

An area on the outside of a tree trunk that appears to be stained white or looks wet during summer is likely bacterial ...