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1. a prickly tree, Zanthoxylum clava-herculis, of the rue family, having a medicinal bark and berries.
2. Also called angelica tree , devil's-walking-stick. a prickly shrub, Aralia spinosa, of the ginseng family, having a medicinal bark and root.


A small, thin-barked, thorny tree found primarily along the coast, from Texas to Southern Virginia, and sometimes confused with the Devil’s Walkingstick. Colloquial names have included Sting Tongue tree, Tickle tongue tree, prickly ash, and Toothache tree. Slicing off some of the bark and chewing it or chewing tree twigs will make the tongue first tingle and then get numb, hence the reason for some of the common names.
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Noun1.Hercules-club - densely spiny ornamental of southeastern United States and West Indies
genus Zanthoxylum, Zanthoxylum - deciduous or evergreen trees or shrubs: prickly ash
prickly ash - any of a number of trees or shrubs of the genus Zanthoxylum having spiny branches