A spiny tree or shrub (Aralia spinosa) of the eastern United States, having bipinnately compound leaves and large panicles of small white flowers.
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.
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-club
- After the spiny club of Hercules
From American Heritage Dictionary of the English Language, 5th Edition