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native plant database: Zanthoxylum americanum P. Mill. Common
pricklyash, Toothache tree, Prickly ash USDA Symbol: zaam USDA
Native Status: Native to U.S. A 12-25 ft., many-branched, shrub
that often forms dense thickets. Toothachetree or prickly ash is
a citrus and all parts are pungent and aromatic. Inconspicuous
flowers are followed by small red, turning black, fruits. Stems
are armed with nodal pairs of thorns. Compound leaves,
resembling ash foliage, are dark-green. Yellow autumn color.
Plant CharacteristicsDuration: Perennial Habit: Shrub Flower:
Fruit: Size Class: Bloom InformationBloom Color: White , Green
AL , AR , CT , DC , DE , FL , GA , IA , IL , IN , KS , KY , LA ,
MA , MD , ME , MI , MN , MO , NC , ND , NE , NH , NJ , NY , OH ,
OK , PA , RI , SC , SD , TN , VA , VT , WI , WV Canada: ON
Native Distribution: Extreme s.