prickly ash(redirected from Zanthoxylum)
Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Northern prickly ashHerbal medicine
A deciduous shrub that contains alkaloids, coumarins, resins, tannins and volatile oil. Prickly ash bark and berries have a long tradition among herbalists; they are regarded as carminative, diuretic and vasodilatory, and have been used for toothaches, rheumatic pain, and may protect against cancer.