Prickly ash (Zanthoxylum) is an evergreen tree that grows around the world. Its name comes from the half-inch (1.2-cm) spines that cover its bark. Incredibly versatile, this species has been used ...

Although prickly ash has been traditionally used to treat many common maladies, there is very little clinical research evidence to support these claims. Among the available studies, 2017 research ...

In this edition of ID That Tree, Purdue Extension Forester Lenny Farlee showcases the unique features of prickly ash. The northeast member of the Citrus family (not the Ash family!) is a shrub with ...