- a small, very spiny tree (Aralia spinosa) of the ginseng family, with clusters of small, white flowers, found in the E U.S.; devil's walking stick
- a spiny tree or shrub (Zanthoxylum clava-herculis) of the rue family, native to the S U.S.; prickly ash
Origin of Hercules'-clubin allusion to the type of club borne by Hercules, as traditionally depicted in art
- A spiny tree or shrub (Aralia spinosa) of the eastern United States, having bipinnately compound leaves and large panicles of small white flowers. Also called angelica tree, devil's walking stick, prickly ash.
- A spiny shrub or tree (Zanthoxylum clava-herculis) of the central and southeast United States, having pinnately compound leaves and terminal panicles of small greenish-yellow flowers. Also called pepperwood.
Origin of Hercules' clubAfter the spiny club of Hercules.